<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with WebFilings-->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" xlink:type="simple" />
  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <link:label id="lab_fhlbbost_TransactionsWithOtherFhlbanksAbstract_16C0264A8AB164845D838BA54BEFAC93_label_en-US" xlink:label="lab_fhlbbost_TransactionsWithOtherFhlbanksAbstract_16C0264A8AB164845D838BA54BEFAC93" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transactions with Other FHLBanks [Abstract]</link:label>
    <link:label id="lab_fhlbbost_TransactionsWithOtherFhlbanksAbstract_16C0264A8AB164845D838BA54BEFAC93_documentation_en-US" xlink:label="lab_fhlbbost_TransactionsWithOtherFhlbanksAbstract_16C0264A8AB164845D838BA54BEFAC93" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transactions with Other FHLBanks [Abstract]</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_TransactionsWithOtherFhlbanksAbstract" xlink:label="loc_fhlbbost_TransactionsWithOtherFhlbanksAbstract_16C0264A8AB164845D838BA54BEFAC93" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_TransactionsWithOtherFhlbanksAbstract_16C0264A8AB164845D838BA54BEFAC93" xlink:to="lab_fhlbbost_TransactionsWithOtherFhlbanksAbstract_16C0264A8AB164845D838BA54BEFAC93" xlink:type="arc" />
    <link:label id="lab_fhlbbost_TransactionsWithOtherFhlbanksTextBlock_1576E6A40E9C9C558A7F8BAE97069AF8_terseLabel_en-US" xlink:label="lab_fhlbbost_TransactionsWithOtherFhlbanksTextBlock_1576E6A40E9C9C558A7F8BAE97069AF8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transactions with Other FHLBanks [Text Block]</link:label>
    <link:label id="lab_fhlbbost_TransactionsWithOtherFhlbanksTextBlock_1576E6A40E9C9C558A7F8BAE97069AF8_label_en-US" xlink:label="lab_fhlbbost_TransactionsWithOtherFhlbanksTextBlock_1576E6A40E9C9C558A7F8BAE97069AF8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transactions with Other FHlBanks [Text Block]</link:label>
    <link:label id="lab_fhlbbost_TransactionsWithOtherFhlbanksTextBlock_1576E6A40E9C9C558A7F8BAE97069AF8_documentation_en-US" xlink:label="lab_fhlbbost_TransactionsWithOtherFhlbanksTextBlock_1576E6A40E9C9C558A7F8BAE97069AF8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transactions with Other FHlBanks [Text Block]</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_TransactionsWithOtherFhlbanksTextBlock" xlink:label="loc_fhlbbost_TransactionsWithOtherFhlbanksTextBlock_1576E6A40E9C9C558A7F8BAE97069AF8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_TransactionsWithOtherFhlbanksTextBlock_1576E6A40E9C9C558A7F8BAE97069AF8" xlink:to="lab_fhlbbost_TransactionsWithOtherFhlbanksTextBlock_1576E6A40E9C9C558A7F8BAE97069AF8" xlink:type="arc" />
    <link:label id="lab_fhlbbost_TransactionsWithRelatedPartiesAbstract_71A73BCFBA06F92F5F24DAC58191FFE3_label_en-US" xlink:label="lab_fhlbbost_TransactionsWithRelatedPartiesAbstract_71A73BCFBA06F92F5F24DAC58191FFE3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transactions with Related Parties [Abstract]</link:label>
    <link:label id="lab_fhlbbost_TransactionsWithRelatedPartiesAbstract_71A73BCFBA06F92F5F24DAC58191FFE3_documentation_en-US" xlink:label="lab_fhlbbost_TransactionsWithRelatedPartiesAbstract_71A73BCFBA06F92F5F24DAC58191FFE3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transactions with Related Parties and Other FHLBanks [Abstract]</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_TransactionsWithRelatedPartiesAbstract" xlink:label="loc_fhlbbost_TransactionsWithRelatedPartiesAbstract_71A73BCFBA06F92F5F24DAC58191FFE3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_TransactionsWithRelatedPartiesAbstract_71A73BCFBA06F92F5F24DAC58191FFE3" xlink:to="lab_fhlbbost_TransactionsWithRelatedPartiesAbstract_71A73BCFBA06F92F5F24DAC58191FFE3" xlink:type="arc" />
    <link:label id="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_856C1D38F1556609D34C8BA38BB496D5_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_856C1D38F1556609D34C8BA38BB496D5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party Transactions Disclosure [Text Block]</link:label>
    <link:label id="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_856C1D38F1556609D34C8BA38BB496D5_label_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_856C1D38F1556609D34C8BA38BB496D5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transactions Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:label="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_856C1D38F1556609D34C8BA38BB496D5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_856C1D38F1556609D34C8BA38BB496D5" xlink:to="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_856C1D38F1556609D34C8BA38BB496D5" xlink:type="arc" />
    <link:label id="lab_us-gaap_SubsequentEventsAbstract_390B9B842E90FE2D78214C80517B205C_label_en-US" xlink:label="lab_us-gaap_SubsequentEventsAbstract_390B9B842E90FE2D78214C80517B205C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Events [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SubsequentEventsAbstract" xlink:label="loc_us-gaap_SubsequentEventsAbstract_390B9B842E90FE2D78214C80517B205C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventsAbstract_390B9B842E90FE2D78214C80517B205C" xlink:to="lab_us-gaap_SubsequentEventsAbstract_390B9B842E90FE2D78214C80517B205C" xlink:type="arc" />
    <link:label id="lab_us-gaap_SubsequentEventsTextBlock_F3BAA8988992B62142164C812CE68975_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventsTextBlock_F3BAA8988992B62142164C812CE68975" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsequent Events [Text Block]</link:label>
    <link:label id="lab_us-gaap_SubsequentEventsTextBlock_F3BAA8988992B62142164C812CE68975_label_en-US" xlink:label="lab_us-gaap_SubsequentEventsTextBlock_F3BAA8988992B62142164C812CE68975" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Events [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SubsequentEventsTextBlock" xlink:label="loc_us-gaap_SubsequentEventsTextBlock_F3BAA8988992B62142164C812CE68975" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventsTextBlock_F3BAA8988992B62142164C812CE68975" xlink:to="lab_us-gaap_SubsequentEventsTextBlock_F3BAA8988992B62142164C812CE68975" xlink:type="arc" />
    <link:label id="lab_fhlbbost_AllowanceForCreditLossesAbstract_C086691E1A8DA53423324CA88B029F9C_label_en-US" xlink:label="lab_fhlbbost_AllowanceForCreditLossesAbstract_C086691E1A8DA53423324CA88B029F9C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allowance for Credit Losses [Abstract]</link:label>
    <link:label id="lab_fhlbbost_AllowanceForCreditLossesAbstract_C086691E1A8DA53423324CA88B029F9C_documentation_en-US" xlink:label="lab_fhlbbost_AllowanceForCreditLossesAbstract_C086691E1A8DA53423324CA88B029F9C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Allowance for Credit Losses [Abstract]</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_AllowanceForCreditLossesAbstract" xlink:label="loc_fhlbbost_AllowanceForCreditLossesAbstract_C086691E1A8DA53423324CA88B029F9C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_AllowanceForCreditLossesAbstract_C086691E1A8DA53423324CA88B029F9C" xlink:to="lab_fhlbbost_AllowanceForCreditLossesAbstract_C086691E1A8DA53423324CA88B029F9C" xlink:type="arc" />
    <link:label id="lab_us-gaap_AllowanceForCreditLossesTextBlock_3F47BB837600C120A77A4CA8F0D08646_terseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForCreditLossesTextBlock_3F47BB837600C120A77A4CA8F0D08646" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Allowance for Credit Losses [Text Block]</link:label>
    <link:label id="lab_us-gaap_AllowanceForCreditLossesTextBlock_3F47BB837600C120A77A4CA8F0D08646_label_en-US" xlink:label="lab_us-gaap_AllowanceForCreditLossesTextBlock_3F47BB837600C120A77A4CA8F0D08646" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allowance for Credit Losses [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AllowanceForCreditLossesTextBlock" xlink:label="loc_us-gaap_AllowanceForCreditLossesTextBlock_3F47BB837600C120A77A4CA8F0D08646" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllowanceForCreditLossesTextBlock_3F47BB837600C120A77A4CA8F0D08646" xlink:to="lab_us-gaap_AllowanceForCreditLossesTextBlock_3F47BB837600C120A77A4CA8F0D08646" xlink:type="arc" />
    <link:label id="lab_fhlbbost_OtherThanTemporaryImpairmentAbstract_F4E9B799D0CE31CD84C64C67C0859719_label_en-US" xlink:label="lab_fhlbbost_OtherThanTemporaryImpairmentAbstract_F4E9B799D0CE31CD84C64C67C0859719" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Than Temporary Impairment [Abstract]</link:label>
    <link:label id="lab_fhlbbost_OtherThanTemporaryImpairmentAbstract_F4E9B799D0CE31CD84C64C67C0859719_documentation_en-US" xlink:label="lab_fhlbbost_OtherThanTemporaryImpairmentAbstract_F4E9B799D0CE31CD84C64C67C0859719" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other-Than-Temporary Impairment [Abstract]</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_OtherThanTemporaryImpairmentAbstract" xlink:label="loc_fhlbbost_OtherThanTemporaryImpairmentAbstract_F4E9B799D0CE31CD84C64C67C0859719" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_OtherThanTemporaryImpairmentAbstract_F4E9B799D0CE31CD84C64C67C0859719" xlink:to="lab_fhlbbost_OtherThanTemporaryImpairmentAbstract_F4E9B799D0CE31CD84C64C67C0859719" xlink:type="arc" />
    <link:label id="lab_fhlbbost_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsDisclosureTextBlock_5E10A1DD07CB0C134FBF71B7AED22134_terseLabel_en-US" xlink:label="lab_fhlbbost_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsDisclosureTextBlock_5E10A1DD07CB0C134FBF71B7AED22134" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other-than-Temporary Impairment, Credit Losses Recognized in Earnings Disclosure [Text Block]</link:label>
    <link:label id="lab_fhlbbost_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsDisclosureTextBlock_5E10A1DD07CB0C134FBF71B7AED22134_label_en-US" xlink:label="lab_fhlbbost_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsDisclosureTextBlock_5E10A1DD07CB0C134FBF71B7AED22134" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other-than-Temporary Impairment, Credit Losses Recognized in Earnings Disclosure [Text Block]</link:label>
    <link:label id="lab_fhlbbost_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsDisclosureTextBlock_5E10A1DD07CB0C134FBF71B7AED22134_documentation_en-US" xlink:label="lab_fhlbbost_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsDisclosureTextBlock_5E10A1DD07CB0C134FBF71B7AED22134" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This item represents the entire disclosure related to the amount of other-than-temporary-impairment (OTTI) related to credit losses recognized in earnings including: (a) the beginning balance of the amount related to credit losses on debt securities held by the investor at the beginning of the period for which a portion of an OTTI was recognized in other comprehensive income; (b) additions for the amount related to the credit loss for which an OTTI was not previously recognized; (c) reductions for securities sold during the period (realized); (d) reductions for securities for which the amount previously recognized in other comprehensive income was recognized in earnings because the investor intends to sell the security or more likely than not will be required to sell the security before recovery of its amortized cost basis; (e) additional increases to the amount related to the credit loss for which an OTTI was previously recognized when the investor does not intend to sell the security and it is not more likely than not that the investor will be required to sell the security before recovery of its amortized cost basis; (f) reductions for increases in cash flows expected to be collected that are recognized over the remaining life of the security; and (g) the ending balance of the amount related to credit losses on debt securities held by the entity at the end of the period for which a portion of an OTTI was recognized in other comprehensive income.</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsDisclosureTextBlock" xlink:label="loc_fhlbbost_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsDisclosureTextBlock_5E10A1DD07CB0C134FBF71B7AED22134" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsDisclosureTextBlock_5E10A1DD07CB0C134FBF71B7AED22134" xlink:to="lab_fhlbbost_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsDisclosureTextBlock_5E10A1DD07CB0C134FBF71B7AED22134" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_584A2EC63A3F8BBFE3B7C22336C0C653_label_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract_584A2EC63A3F8BBFE3B7C22336C0C653" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Cash Flows [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_584A2EC63A3F8BBFE3B7C22336C0C653" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_584A2EC63A3F8BBFE3B7C22336C0C653" xlink:to="lab_us-gaap_StatementOfCashFlowsAbstract_584A2EC63A3F8BBFE3B7C22336C0C653" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementTable_155AFB8AE9CB77FBE836DAC59AD3B11A_label_en-US" xlink:label="lab_us-gaap_StatementTable_155AFB8AE9CB77FBE836DAC59AD3B11A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_155AFB8AE9CB77FBE836DAC59AD3B11A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementTable_155AFB8AE9CB77FBE836DAC59AD3B11A" xlink:to="lab_us-gaap_StatementTable_155AFB8AE9CB77FBE836DAC59AD3B11A" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementScenarioAxis_0B76A837E28FB9802A2DDAC59AD35C7A_terseLabel_en-US" xlink:label="lab_us-gaap_StatementScenarioAxis_0B76A837E28FB9802A2DDAC59AD35C7A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement, Scenario [Axis]</link:label>
    <link:label id="lab_us-gaap_StatementScenarioAxis_0B76A837E28FB9802A2DDAC59AD35C7A_label_en-US" xlink:label="lab_us-gaap_StatementScenarioAxis_0B76A837E28FB9802A2DDAC59AD35C7A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement, Scenario [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_0B76A837E28FB9802A2DDAC59AD35C7A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementScenarioAxis_0B76A837E28FB9802A2DDAC59AD35C7A" xlink:to="lab_us-gaap_StatementScenarioAxis_0B76A837E28FB9802A2DDAC59AD35C7A" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScenarioUnspecifiedDomain_EB95C57AC5F9DB55C353DAC59AD3F19E_terseLabel_en-US" xlink:label="lab_us-gaap_ScenarioUnspecifiedDomain_EB95C57AC5F9DB55C353DAC59AD3F19E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Scenario, Unspecified [Domain]</link:label>
    <link:label id="lab_us-gaap_ScenarioUnspecifiedDomain_EB95C57AC5F9DB55C353DAC59AD3F19E_label_en-US" xlink:label="lab_us-gaap_ScenarioUnspecifiedDomain_EB95C57AC5F9DB55C353DAC59AD3F19E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Scenario, Unspecified [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_EB95C57AC5F9DB55C353DAC59AD3F19E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_EB95C57AC5F9DB55C353DAC59AD3F19E" xlink:to="lab_us-gaap_ScenarioUnspecifiedDomain_EB95C57AC5F9DB55C353DAC59AD3F19E" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementLineItems_083B9CF28383E1AE5410DAC59AD35C9D_terseLabel_en-US" xlink:label="lab_us-gaap_StatementLineItems_083B9CF28383E1AE5410DAC59AD35C9D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement [Line Items]</link:label>
    <link:label id="lab_us-gaap_StatementLineItems_083B9CF28383E1AE5410DAC59AD35C9D_label_en-US" xlink:label="lab_us-gaap_StatementLineItems_083B9CF28383E1AE5410DAC59AD35C9D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_083B9CF28383E1AE5410DAC59AD35C9D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementLineItems_083B9CF28383E1AE5410DAC59AD35C9D" xlink:to="lab_us-gaap_StatementLineItems_083B9CF28383E1AE5410DAC59AD35C9D" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_07F0C6B1D5AE1D5495AF9430A747094B_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_07F0C6B1D5AE1D5495AF9430A747094B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">OPERATING ACTIVITIES</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_07F0C6B1D5AE1D5495AF9430A747094B_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_07F0C6B1D5AE1D5495AF9430A747094B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_07F0C6B1D5AE1D5495AF9430A747094B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_07F0C6B1D5AE1D5495AF9430A747094B" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_07F0C6B1D5AE1D5495AF9430A747094B" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_7C53162113C19502AE2BDAC59AD4469A_terseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_7C53162113C19502AE2BDAC59AD4469A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income (loss)</link:label>
    <link:label id="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_7C53162113C19502AE2BDAC59AD4469A_label_en-US" xlink:label="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_7C53162113C19502AE2BDAC59AD4469A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income (Loss) Available to Common Stockholders, Basic</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_7C53162113C19502AE2BDAC59AD4469A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_7C53162113C19502AE2BDAC59AD4469A" xlink:to="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_7C53162113C19502AE2BDAC59AD4469A" xlink:type="arc" />
    <link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_316AB34FD256B546AE4EDAC59AD4F397_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_316AB34FD256B546AE4EDAC59AD4F397" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustments to reconcile net income to net cash provided by operating activities:</link:label>
    <link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_316AB34FD256B546AE4EDAC59AD4F397_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_316AB34FD256B546AE4EDAC59AD4F397" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_316AB34FD256B546AE4EDAC59AD4F397" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_316AB34FD256B546AE4EDAC59AD4F397" xlink:to="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_316AB34FD256B546AE4EDAC59AD4F397" xlink:type="arc" />
    <link:label id="lab_us-gaap_DepreciationAmortizationAndAccretionNet_8642B171045ACB410F8ADAC59AD4B774_terseLabel_en-US" xlink:label="lab_us-gaap_DepreciationAmortizationAndAccretionNet_8642B171045ACB410F8ADAC59AD4B774" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:label id="lab_us-gaap_DepreciationAmortizationAndAccretionNet_8642B171045ACB410F8ADAC59AD4B774_label_en-US" xlink:label="lab_us-gaap_DepreciationAmortizationAndAccretionNet_8642B171045ACB410F8ADAC59AD4B774" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation, Amortization and Accretion, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DepreciationAmortizationAndAccretionNet" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNet_8642B171045ACB410F8ADAC59AD4B774" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DepreciationAmortizationAndAccretionNet_8642B171045ACB410F8ADAC59AD4B774" xlink:to="lab_us-gaap_DepreciationAmortizationAndAccretionNet_8642B171045ACB410F8ADAC59AD4B774" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProvisionForLoanLossesExpensed_F5B150B97AB6F0AC7134DAC59AD4E0A5_terseLabel_en-US" xlink:label="lab_us-gaap_ProvisionForLoanLossesExpensed_F5B150B97AB6F0AC7134DAC59AD4E0A5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">(Reduction of) provision for credit losses</link:label>
    <link:label id="lab_us-gaap_ProvisionForLoanLossesExpensed_F5B150B97AB6F0AC7134DAC59AD4E0A5_label_en-US" xlink:label="lab_us-gaap_ProvisionForLoanLossesExpensed_F5B150B97AB6F0AC7134DAC59AD4E0A5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision for Loan Losses Expensed</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProvisionForLoanLossesExpensed" xlink:label="loc_us-gaap_ProvisionForLoanLossesExpensed_F5B150B97AB6F0AC7134DAC59AD4E0A5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProvisionForLoanLossesExpensed_F5B150B97AB6F0AC7134DAC59AD4E0A5" xlink:to="lab_us-gaap_ProvisionForLoanLossesExpensed_F5B150B97AB6F0AC7134DAC59AD4E0A5" xlink:type="arc" />
    <link:label id="lab_us-gaap_UnrealizedGainLossOnDerivatives_2C3E0705AA0167D3CB0BDAC59AD47043_negatedLabel_en-US" xlink:label="lab_us-gaap_UnrealizedGainLossOnDerivatives_2C3E0705AA0167D3CB0BDAC59AD47043" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Change in net fair-value adjustments on derivatives and hedging activities</link:label>
    <link:label id="lab_us-gaap_UnrealizedGainLossOnDerivatives_2C3E0705AA0167D3CB0BDAC59AD47043_label_en-US" xlink:label="lab_us-gaap_UnrealizedGainLossOnDerivatives_2C3E0705AA0167D3CB0BDAC59AD47043" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrealized Gain (Loss) on Derivatives</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnrealizedGainLossOnDerivatives" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives_2C3E0705AA0167D3CB0BDAC59AD47043" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrealizedGainLossOnDerivatives_2C3E0705AA0167D3CB0BDAC59AD47043" xlink:to="lab_us-gaap_UnrealizedGainLossOnDerivatives_2C3E0705AA0167D3CB0BDAC59AD47043" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet_457CD735723476D3F2F0946BD6E8D84C_terseLabel_en-US" xlink:label="lab_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet_457CD735723476D3F2F0946BD6E8D84C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net other-than-temporary impairment losses on investment securities, credit portion</link:label>
    <link:label id="lab_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet_457CD735723476D3F2F0946BD6E8D84C_label_en-US" xlink:label="lab_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet_457CD735723476D3F2F0946BD6E8D84C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet" xlink:label="loc_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet_457CD735723476D3F2F0946BD6E8D84C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet_457CD735723476D3F2F0946BD6E8D84C" xlink:to="lab_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet_457CD735723476D3F2F0946BD6E8D84C" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherNoncashIncomeExpense_2940894D8CA5857CE545DAC59AD4941C_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_OtherNoncashIncomeExpense_2940894D8CA5857CE545DAC59AD4941C" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Other adjustments</link:label>
    <link:label id="lab_us-gaap_OtherNoncashIncomeExpense_2940894D8CA5857CE545DAC59AD4941C_label_en-US" xlink:label="lab_us-gaap_OtherNoncashIncomeExpense_2940894D8CA5857CE545DAC59AD4941C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Noncash Income (Expense)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_2940894D8CA5857CE545DAC59AD4941C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherNoncashIncomeExpense_2940894D8CA5857CE545DAC59AD4941C" xlink:to="lab_us-gaap_OtherNoncashIncomeExpense_2940894D8CA5857CE545DAC59AD4941C" xlink:type="arc" />
    <link:label id="lab_us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments_550523AF3F42A5344B659A50F390F6FC_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments_550523AF3F42A5344B659A50F390F6FC" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Realized net gain from sale of available-for-sale securities</link:label>
    <link:label id="lab_us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments_550523AF3F42A5344B659A50F390F6FC_label_en-US" xlink:label="lab_us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments_550523AF3F42A5344B659A50F390F6FC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Available-for-sale Securities, Gross Realized Gain (Loss), Excluding Other than Temporary Impairments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments" xlink:label="loc_us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments_550523AF3F42A5344B659A50F390F6FC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments_550523AF3F42A5344B659A50F390F6FC" xlink:to="lab_us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments_550523AF3F42A5344B659A50F390F6FC" xlink:type="arc" />
    <link:label id="lab_us-gaap_HeldtomaturitySecuritiesSoldSecurityRealizedGainLossExcludingOtherThanTemporaryImpairments_4F1A25CFB3CD56E242201D0E628C46D0_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_HeldtomaturitySecuritiesSoldSecurityRealizedGainLossExcludingOtherThanTemporaryImpairments_4F1A25CFB3CD56E242201D0E628C46D0" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Realized gain from sale of held-to-maturity securities</link:label>
    <link:label id="lab_us-gaap_HeldtomaturitySecuritiesSoldSecurityRealizedGainLossExcludingOtherThanTemporaryImpairments_4F1A25CFB3CD56E242201D0E628C46D0_label_en-US" xlink:label="lab_us-gaap_HeldtomaturitySecuritiesSoldSecurityRealizedGainLossExcludingOtherThanTemporaryImpairments_4F1A25CFB3CD56E242201D0E628C46D0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Held-to-maturity Securities, Sold Security, Realized Gain (Loss), Excluding Other than Temporary Impairments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HeldtomaturitySecuritiesSoldSecurityRealizedGainLossExcludingOtherThanTemporaryImpairments" xlink:label="loc_us-gaap_HeldtomaturitySecuritiesSoldSecurityRealizedGainLossExcludingOtherThanTemporaryImpairments_4F1A25CFB3CD56E242201D0E628C46D0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_HeldtomaturitySecuritiesSoldSecurityRealizedGainLossExcludingOtherThanTemporaryImpairments_4F1A25CFB3CD56E242201D0E628C46D0" xlink:to="lab_us-gaap_HeldtomaturitySecuritiesSoldSecurityRealizedGainLossExcludingOtherThanTemporaryImpairments_4F1A25CFB3CD56E242201D0E628C46D0" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_537F1608818B31BB56ED94C5D14797B8_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_537F1608818B31BB56ED94C5D14797B8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net change in:</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_537F1608818B31BB56ED94C5D14797B8_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_537F1608818B31BB56ED94C5D14797B8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Operating Capital [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_537F1608818B31BB56ED94C5D14797B8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_537F1608818B31BB56ED94C5D14797B8" xlink:to="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_537F1608818B31BB56ED94C5D14797B8" xlink:type="arc" />
    <link:label id="lab_us-gaap_TradingSecuritiesUnrealizedHoldingGainLoss_F4BA87E2F3E0B9A978ADDAC59AD4C099_negatedLabel_en-US" xlink:label="lab_us-gaap_TradingSecuritiesUnrealizedHoldingGainLoss_F4BA87E2F3E0B9A978ADDAC59AD4C099" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Market value of trading securities</link:label>
    <link:label id="lab_us-gaap_TradingSecuritiesUnrealizedHoldingGainLoss_F4BA87E2F3E0B9A978ADDAC59AD4C099_label_en-US" xlink:label="lab_us-gaap_TradingSecuritiesUnrealizedHoldingGainLoss_F4BA87E2F3E0B9A978ADDAC59AD4C099" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trading Securities, Change in Unrealized Holding Gain (Loss)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingSecuritiesUnrealizedHoldingGainLoss" xlink:label="loc_us-gaap_TradingSecuritiesUnrealizedHoldingGainLoss_F4BA87E2F3E0B9A978ADDAC59AD4C099" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TradingSecuritiesUnrealizedHoldingGainLoss_F4BA87E2F3E0B9A978ADDAC59AD4C099" xlink:to="lab_us-gaap_TradingSecuritiesUnrealizedHoldingGainLoss_F4BA87E2F3E0B9A978ADDAC59AD4C099" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_7FA1506C183189A0EF9CDAC59AD4DF2C_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_7FA1506C183189A0EF9CDAC59AD4DF2C" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Accrued interest receivable</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_7FA1506C183189A0EF9CDAC59AD4DF2C_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_7FA1506C183189A0EF9CDAC59AD4DF2C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Accrued Interest Receivable, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_7FA1506C183189A0EF9CDAC59AD4DF2C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_7FA1506C183189A0EF9CDAC59AD4DF2C" xlink:to="lab_us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_7FA1506C183189A0EF9CDAC59AD4DF2C" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_8D4710BD3EDE3DEC0B63DAC59AD4B1E7_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_8D4710BD3EDE3DEC0B63DAC59AD4B1E7" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Other assets</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_8D4710BD3EDE3DEC0B63DAC59AD4B1E7_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_8D4710BD3EDE3DEC0B63DAC59AD4B1E7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Other Operating Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_8D4710BD3EDE3DEC0B63DAC59AD4B1E7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_8D4710BD3EDE3DEC0B63DAC59AD4B1E7" xlink:to="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_8D4710BD3EDE3DEC0B63DAC59AD4B1E7" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInInterestPayableNet_3BEAF82D5690B214086CDAC59AD4FE30_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInterestPayableNet_3BEAF82D5690B214086CDAC59AD4FE30" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued interest payable</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInInterestPayableNet_3BEAF82D5690B214086CDAC59AD4FE30_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInterestPayableNet_3BEAF82D5690B214086CDAC59AD4FE30" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Interest Payable, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInInterestPayableNet" xlink:label="loc_us-gaap_IncreaseDecreaseInInterestPayableNet_3BEAF82D5690B214086CDAC59AD4FE30" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInInterestPayableNet_3BEAF82D5690B214086CDAC59AD4FE30" xlink:to="lab_us-gaap_IncreaseDecreaseInInterestPayableNet_3BEAF82D5690B214086CDAC59AD4FE30" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_59AC830172EB5A52D62FDAC59AD496D9_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_59AC830172EB5A52D62FDAC59AD496D9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other liabilities</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_59AC830172EB5A52D62FDAC59AD496D9_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_59AC830172EB5A52D62FDAC59AD496D9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Other Operating Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_59AC830172EB5A52D62FDAC59AD496D9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_59AC830172EB5A52D62FDAC59AD496D9" xlink:to="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_59AC830172EB5A52D62FDAC59AD496D9" xlink:type="arc" />
    <link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_FA53CA7F7C8FD19CBB3BDAC59AD58904_totalLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_FA53CA7F7C8FD19CBB3BDAC59AD58904" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total adjustments</link:label>
    <link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_FA53CA7F7C8FD19CBB3BDAC59AD58904_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_FA53CA7F7C8FD19CBB3BDAC59AD58904" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_FA53CA7F7C8FD19CBB3BDAC59AD58904" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_FA53CA7F7C8FD19CBB3BDAC59AD58904" xlink:to="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_FA53CA7F7C8FD19CBB3BDAC59AD58904" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_F944EDE48B5FBB2F7C06DAC59AD54DDC_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_F944EDE48B5FBB2F7C06DAC59AD54DDC" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by operating activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_F944EDE48B5FBB2F7C06DAC59AD54DDC_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_F944EDE48B5FBB2F7C06DAC59AD54DDC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_F944EDE48B5FBB2F7C06DAC59AD54DDC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_F944EDE48B5FBB2F7C06DAC59AD54DDC" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_F944EDE48B5FBB2F7C06DAC59AD54DDC" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_44E9EDA7C8A777459F4294CFCF6A44B4_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_44E9EDA7C8A777459F4294CFCF6A44B4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">INVESTING ACTIVITIES</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_44E9EDA7C8A777459F4294CFCF6A44B4_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_44E9EDA7C8A777459F4294CFCF6A44B4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_44E9EDA7C8A777459F4294CFCF6A44B4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_44E9EDA7C8A777459F4294CFCF6A44B4" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_44E9EDA7C8A777459F4294CFCF6A44B4" xlink:type="arc" />
    <link:label id="lab_fhlbbost_IncreaseDecreaseInvestingActivitiesAbstract_565C7F44D8E9895DF73BDAC59AD52259_terseLabel_en-US" xlink:label="lab_fhlbbost_IncreaseDecreaseInvestingActivitiesAbstract_565C7F44D8E9895DF73BDAC59AD52259" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net change in:</link:label>
    <link:label id="lab_fhlbbost_IncreaseDecreaseInvestingActivitiesAbstract_565C7F44D8E9895DF73BDAC59AD52259_label_en-US" xlink:label="lab_fhlbbost_IncreaseDecreaseInvestingActivitiesAbstract_565C7F44D8E9895DF73BDAC59AD52259" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Decrease Investing Activities [Abstract]</link:label>
    <link:label id="lab_fhlbbost_IncreaseDecreaseInvestingActivitiesAbstract_565C7F44D8E9895DF73BDAC59AD52259_documentation_en-US" xlink:label="lab_fhlbbost_IncreaseDecreaseInvestingActivitiesAbstract_565C7F44D8E9895DF73BDAC59AD52259" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">-- None. No documentation exists for this element. --</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_IncreaseDecreaseInvestingActivitiesAbstract" xlink:label="loc_fhlbbost_IncreaseDecreaseInvestingActivitiesAbstract_565C7F44D8E9895DF73BDAC59AD52259" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_IncreaseDecreaseInvestingActivitiesAbstract_565C7F44D8E9895DF73BDAC59AD52259" xlink:to="lab_fhlbbost_IncreaseDecreaseInvestingActivitiesAbstract_565C7F44D8E9895DF73BDAC59AD52259" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromPaymentsForInInterestBearingDepositsInBanks_7866E1F193990C93193CDAC59AD58F3E_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromPaymentsForInInterestBearingDepositsInBanks_7866E1F193990C93193CDAC59AD58F3E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest-bearing deposits</link:label>
    <link:label id="lab_us-gaap_ProceedsFromPaymentsForInInterestBearingDepositsInBanks_7866E1F193990C93193CDAC59AD58F3E_label_en-US" xlink:label="lab_us-gaap_ProceedsFromPaymentsForInInterestBearingDepositsInBanks_7866E1F193990C93193CDAC59AD58F3E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from (Payments for) in Interest-bearing Deposits in Banks</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromPaymentsForInInterestBearingDepositsInBanks" xlink:label="loc_us-gaap_ProceedsFromPaymentsForInInterestBearingDepositsInBanks_7866E1F193990C93193CDAC59AD58F3E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromPaymentsForInInterestBearingDepositsInBanks_7866E1F193990C93193CDAC59AD58F3E" xlink:to="lab_us-gaap_ProceedsFromPaymentsForInInterestBearingDepositsInBanks_7866E1F193990C93193CDAC59AD58F3E" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromPaymentsForSecuritiesPurchasedUnderAgreementsToResell_121788343322CBA579F9DAC59AD50F9B_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromPaymentsForSecuritiesPurchasedUnderAgreementsToResell_121788343322CBA579F9DAC59AD50F9B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Securities purchased under agreements to resell</link:label>
    <link:label id="lab_us-gaap_ProceedsFromPaymentsForSecuritiesPurchasedUnderAgreementsToResell_121788343322CBA579F9DAC59AD50F9B_label_en-US" xlink:label="lab_us-gaap_ProceedsFromPaymentsForSecuritiesPurchasedUnderAgreementsToResell_121788343322CBA579F9DAC59AD50F9B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from (Payments for) Securities Purchased under Agreements to Resell</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromPaymentsForSecuritiesPurchasedUnderAgreementsToResell" xlink:label="loc_us-gaap_ProceedsFromPaymentsForSecuritiesPurchasedUnderAgreementsToResell_121788343322CBA579F9DAC59AD50F9B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromPaymentsForSecuritiesPurchasedUnderAgreementsToResell_121788343322CBA579F9DAC59AD50F9B" xlink:to="lab_us-gaap_ProceedsFromPaymentsForSecuritiesPurchasedUnderAgreementsToResell_121788343322CBA579F9DAC59AD50F9B" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInFederalFundsSold_56FBB4A24485D45249DADAC59AD5B7A8_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInFederalFundsSold_56FBB4A24485D45249DADAC59AD5B7A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Federal funds sold</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInFederalFundsSold_56FBB4A24485D45249DADAC59AD5B7A8_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInFederalFundsSold_56FBB4A24485D45249DADAC59AD5B7A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Federal Funds Sold</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInFederalFundsSold" xlink:label="loc_us-gaap_IncreaseDecreaseInFederalFundsSold_56FBB4A24485D45249DADAC59AD5B7A8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInFederalFundsSold_56FBB4A24485D45249DADAC59AD5B7A8" xlink:to="lab_us-gaap_IncreaseDecreaseInFederalFundsSold_56FBB4A24485D45249DADAC59AD5B7A8" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsForProceedsFromProductiveAssets_DA8D6979C1036A6C207EDAC59AD5844D_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromProductiveAssets_DA8D6979C1036A6C207EDAC59AD5844D" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Premises, software, and equipment</link:label>
    <link:label id="lab_us-gaap_PaymentsForProceedsFromProductiveAssets_DA8D6979C1036A6C207EDAC59AD5844D_label_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromProductiveAssets_DA8D6979C1036A6C207EDAC59AD5844D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for (Proceeds from) Productive Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsForProceedsFromProductiveAssets" xlink:label="loc_us-gaap_PaymentsForProceedsFromProductiveAssets_DA8D6979C1036A6C207EDAC59AD5844D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForProceedsFromProductiveAssets_DA8D6979C1036A6C207EDAC59AD5844D" xlink:to="lab_us-gaap_PaymentsForProceedsFromProductiveAssets_DA8D6979C1036A6C207EDAC59AD5844D" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquireInvestmentsAbstract_3230091E8419E90D2E39DAC59AD5B5EA_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireInvestmentsAbstract_3230091E8419E90D2E39DAC59AD5B5EA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trading securities:</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireInvestmentsAbstract_3230091E8419E90D2E39DAC59AD5B5EA_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireInvestmentsAbstract_3230091E8419E90D2E39DAC59AD5B5EA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Investments [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireInvestmentsAbstract" xlink:label="loc_us-gaap_PaymentsToAcquireInvestmentsAbstract_3230091E8419E90D2E39DAC59AD5B5EA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireInvestmentsAbstract_3230091E8419E90D2E39DAC59AD5B5EA" xlink:to="lab_us-gaap_PaymentsToAcquireInvestmentsAbstract_3230091E8419E90D2E39DAC59AD5B5EA" xlink:type="arc" />
    <link:label id="lab_fhlbbost_PaymentsForProceedsFromShortTermTradingSecurities_0FFCBCC7F3B4ABB5CA0D9E6D9BCB07C5_terseLabel_en-US" xlink:label="lab_fhlbbost_PaymentsForProceedsFromShortTermTradingSecurities_0FFCBCC7F3B4ABB5CA0D9E6D9BCB07C5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net decrease (increase) in short-term</link:label>
    <link:label id="lab_fhlbbost_PaymentsForProceedsFromShortTermTradingSecurities_0FFCBCC7F3B4ABB5CA0D9E6D9BCB07C5_label_en-US" xlink:label="lab_fhlbbost_PaymentsForProceedsFromShortTermTradingSecurities_0FFCBCC7F3B4ABB5CA0D9E6D9BCB07C5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for Proceeds from Short Term Trading Securities</link:label>
    <link:label id="lab_fhlbbost_PaymentsForProceedsFromShortTermTradingSecurities_0FFCBCC7F3B4ABB5CA0D9E6D9BCB07C5_documentation_en-US" xlink:label="lab_fhlbbost_PaymentsForProceedsFromShortTermTradingSecurities_0FFCBCC7F3B4ABB5CA0D9E6D9BCB07C5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The net amount paid (received) by the reporting entity through acquisition (sale/maturity) of short-term trading securities with an original maturity that is three months or less which qualify for treatment as an investing activity based on management's intention and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short term.</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_PaymentsForProceedsFromShortTermTradingSecurities" xlink:label="loc_fhlbbost_PaymentsForProceedsFromShortTermTradingSecurities_0FFCBCC7F3B4ABB5CA0D9E6D9BCB07C5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_PaymentsForProceedsFromShortTermTradingSecurities_0FFCBCC7F3B4ABB5CA0D9E6D9BCB07C5" xlink:to="lab_fhlbbost_PaymentsForProceedsFromShortTermTradingSecurities_0FFCBCC7F3B4ABB5CA0D9E6D9BCB07C5" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromSaleAndMaturityOfTradingSecuritiesHeldforinvestment_1776308DAC9D2C3594A494E3F6E5C09F_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleAndMaturityOfTradingSecuritiesHeldforinvestment_1776308DAC9D2C3594A494E3F6E5C09F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from long-term</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleAndMaturityOfTradingSecuritiesHeldforinvestment_1776308DAC9D2C3594A494E3F6E5C09F_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleAndMaturityOfTradingSecuritiesHeldforinvestment_1776308DAC9D2C3594A494E3F6E5C09F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale and Maturity of Trading Securities Held-for-investment</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfTradingSecuritiesHeldforinvestment" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfTradingSecuritiesHeldforinvestment_1776308DAC9D2C3594A494E3F6E5C09F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleAndMaturityOfTradingSecuritiesHeldforinvestment_1776308DAC9D2C3594A494E3F6E5C09F" xlink:to="lab_us-gaap_ProceedsFromSaleAndMaturityOfTradingSecuritiesHeldforinvestment_1776308DAC9D2C3594A494E3F6E5C09F" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquireTradingSecuritiesHeldforinvestment_75FA9018A48DE4395B369998B354264B_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireTradingSecuritiesHeldforinvestment_75FA9018A48DE4395B369998B354264B" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Purchases of long-term</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireTradingSecuritiesHeldforinvestment_75FA9018A48DE4395B369998B354264B_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireTradingSecuritiesHeldforinvestment_75FA9018A48DE4395B369998B354264B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Trading Securities Held-for-investment</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireTradingSecuritiesHeldforinvestment" xlink:label="loc_us-gaap_PaymentsToAcquireTradingSecuritiesHeldforinvestment_75FA9018A48DE4395B369998B354264B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireTradingSecuritiesHeldforinvestment_75FA9018A48DE4395B369998B354264B" xlink:to="lab_us-gaap_PaymentsToAcquireTradingSecuritiesHeldforinvestment_75FA9018A48DE4395B369998B354264B" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesAbstract_F068D933FF1C692648B3DAC59AD5BB51_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesAbstract_F068D933FF1C692648B3DAC59AD5BB51" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Available-for-sale securities:</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesAbstract_F068D933FF1C692648B3DAC59AD5BB51_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesAbstract_F068D933FF1C692648B3DAC59AD5BB51" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Available-for-sale Securities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesAbstract" xlink:label="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesAbstract_F068D933FF1C692648B3DAC59AD5BB51" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesAbstract_F068D933FF1C692648B3DAC59AD5BB51" xlink:to="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesAbstract_F068D933FF1C692648B3DAC59AD5BB51" xlink:type="arc" />
    <link:label id="lab_fhlbbost_PaymentsForProceedsFromShortTermAvailableForSaleSecurities_9CBCD1568F2475AB9C63DAC59AD502E6_terseLabel_en-US" xlink:label="lab_fhlbbost_PaymentsForProceedsFromShortTermAvailableForSaleSecurities_9CBCD1568F2475AB9C63DAC59AD502E6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net decrease (increase) in short-term</link:label>
    <link:label id="lab_fhlbbost_PaymentsForProceedsFromShortTermAvailableForSaleSecurities_9CBCD1568F2475AB9C63DAC59AD502E6_label_en-US" xlink:label="lab_fhlbbost_PaymentsForProceedsFromShortTermAvailableForSaleSecurities_9CBCD1568F2475AB9C63DAC59AD502E6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for Proceeds from Short Term Available For Sale Securities</link:label>
    <link:label id="lab_fhlbbost_PaymentsForProceedsFromShortTermAvailableForSaleSecurities_9CBCD1568F2475AB9C63DAC59AD502E6_documentation_en-US" xlink:label="lab_fhlbbost_PaymentsForProceedsFromShortTermAvailableForSaleSecurities_9CBCD1568F2475AB9C63DAC59AD502E6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The net amount paid (received) by the reporting entity through acquisition (sale/maturity) of short-term available-for-sale securities with an original maturity that is three months or less which qualify for treatment as an investing activity based on management's intention and intended by management to be liquidated, if necessary, within the current operating cycle.</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_PaymentsForProceedsFromShortTermAvailableForSaleSecurities" xlink:label="loc_fhlbbost_PaymentsForProceedsFromShortTermAvailableForSaleSecurities_9CBCD1568F2475AB9C63DAC59AD502E6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_PaymentsForProceedsFromShortTermAvailableForSaleSecurities_9CBCD1568F2475AB9C63DAC59AD502E6" xlink:to="lab_fhlbbost_PaymentsForProceedsFromShortTermAvailableForSaleSecurities_9CBCD1568F2475AB9C63DAC59AD502E6" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_8242DF45E394A65B19B8DAC59AD5F251_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_8242DF45E394A65B19B8DAC59AD5F251" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from long-term</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_8242DF45E394A65B19B8DAC59AD5F251_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_8242DF45E394A65B19B8DAC59AD5F251" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale and Maturity of Available-for-sale Securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_8242DF45E394A65B19B8DAC59AD5F251" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_8242DF45E394A65B19B8DAC59AD5F251" xlink:to="lab_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_8242DF45E394A65B19B8DAC59AD5F251" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_A5ED2FF9D38E394CFF50DAC59AD5D243_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_A5ED2FF9D38E394CFF50DAC59AD5D243" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Purchases of long-term</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_A5ED2FF9D38E394CFF50DAC59AD5D243_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_A5ED2FF9D38E394CFF50DAC59AD5D243" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Available-for-sale Securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecurities" xlink:label="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_A5ED2FF9D38E394CFF50DAC59AD5D243" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_A5ED2FF9D38E394CFF50DAC59AD5D243" xlink:to="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_A5ED2FF9D38E394CFF50DAC59AD5D243" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecuritiesAbstract_E08C3800395F1CEA21F69E7C2F9E4C57_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecuritiesAbstract_E08C3800395F1CEA21F69E7C2F9E4C57" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Held-to-maturity securities:</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecuritiesAbstract_E08C3800395F1CEA21F69E7C2F9E4C57_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecuritiesAbstract_E08C3800395F1CEA21F69E7C2F9E4C57" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale and Maturity of Held-to-maturity Securities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecuritiesAbstract" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecuritiesAbstract_E08C3800395F1CEA21F69E7C2F9E4C57" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecuritiesAbstract_E08C3800395F1CEA21F69E7C2F9E4C57" xlink:to="lab_us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecuritiesAbstract_E08C3800395F1CEA21F69E7C2F9E4C57" xlink:type="arc" />
    <link:label id="lab_fhlbbost_PaymentsForProceedsFromShortTermHeldToMaturitySecurities_5AF44B0205DC3A26A4421D164B05247B_terseLabel_en-US" xlink:label="lab_fhlbbost_PaymentsForProceedsFromShortTermHeldToMaturitySecurities_5AF44B0205DC3A26A4421D164B05247B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net decrease in short-term</link:label>
    <link:label id="lab_fhlbbost_PaymentsForProceedsFromShortTermHeldToMaturitySecurities_5AF44B0205DC3A26A4421D164B05247B_label_en-US" xlink:label="lab_fhlbbost_PaymentsForProceedsFromShortTermHeldToMaturitySecurities_5AF44B0205DC3A26A4421D164B05247B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for Proceeds From Short term Held-to-maturity Securities</link:label>
    <link:label id="lab_fhlbbost_PaymentsForProceedsFromShortTermHeldToMaturitySecurities_5AF44B0205DC3A26A4421D164B05247B_documentation_en-US" xlink:label="lab_fhlbbost_PaymentsForProceedsFromShortTermHeldToMaturitySecurities_5AF44B0205DC3A26A4421D164B05247B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The net amount paid (received) by the reporting entity through acquisition (sale/maturity) of short-term held-to-maturity securities with an original maturity that is three months or less which qualify for treatment as an investing activity based on management's intention and intended by management to be liquidated, if necessary, within the current operating cycle.</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_PaymentsForProceedsFromShortTermHeldToMaturitySecurities" xlink:label="loc_fhlbbost_PaymentsForProceedsFromShortTermHeldToMaturitySecurities_5AF44B0205DC3A26A4421D164B05247B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_PaymentsForProceedsFromShortTermHeldToMaturitySecurities_5AF44B0205DC3A26A4421D164B05247B" xlink:to="lab_fhlbbost_PaymentsForProceedsFromShortTermHeldToMaturitySecurities_5AF44B0205DC3A26A4421D164B05247B" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities_CFC3A48F520D42CCA1A3DAC59AD5AB33_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities_CFC3A48F520D42CCA1A3DAC59AD5AB33" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from long-term</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities_CFC3A48F520D42CCA1A3DAC59AD5AB33_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities_CFC3A48F520D42CCA1A3DAC59AD5AB33" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale and Maturity of Held-to-maturity Securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities_CFC3A48F520D42CCA1A3DAC59AD5AB33" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities_CFC3A48F520D42CCA1A3DAC59AD5AB33" xlink:to="lab_us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities_CFC3A48F520D42CCA1A3DAC59AD5AB33" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquireHeldToMaturitySecurities_292D59FDC462E52C8374DAC59AD63091_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireHeldToMaturitySecurities_292D59FDC462E52C8374DAC59AD63091" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Purchases of long-term</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireHeldToMaturitySecurities_292D59FDC462E52C8374DAC59AD63091_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireHeldToMaturitySecurities_292D59FDC462E52C8374DAC59AD63091" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Held-to-maturity Securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireHeldToMaturitySecurities" xlink:label="loc_us-gaap_PaymentsToAcquireHeldToMaturitySecurities_292D59FDC462E52C8374DAC59AD63091" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireHeldToMaturitySecurities_292D59FDC462E52C8374DAC59AD63091" xlink:to="lab_us-gaap_PaymentsToAcquireHeldToMaturitySecurities_292D59FDC462E52C8374DAC59AD63091" xlink:type="arc" />
    <link:label id="lab_fhlbbost_ProceedsFromSaleOfFederalHomeLoanBankAdvancesAbstract_7CF6B7AA6CFD12DCE452DAC59AD6AAB0_terseLabel_en-US" xlink:label="lab_fhlbbost_ProceedsFromSaleOfFederalHomeLoanBankAdvancesAbstract_7CF6B7AA6CFD12DCE452DAC59AD6AAB0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advances to members:</link:label>
    <link:label id="lab_fhlbbost_ProceedsFromSaleOfFederalHomeLoanBankAdvancesAbstract_7CF6B7AA6CFD12DCE452DAC59AD6AAB0_label_en-US" xlink:label="lab_fhlbbost_ProceedsFromSaleOfFederalHomeLoanBankAdvancesAbstract_7CF6B7AA6CFD12DCE452DAC59AD6AAB0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds From Sale of Federal Home Loan Bank Advances [Abstract]</link:label>
    <link:label id="lab_fhlbbost_ProceedsFromSaleOfFederalHomeLoanBankAdvancesAbstract_7CF6B7AA6CFD12DCE452DAC59AD6AAB0_documentation_en-US" xlink:label="lab_fhlbbost_ProceedsFromSaleOfFederalHomeLoanBankAdvancesAbstract_7CF6B7AA6CFD12DCE452DAC59AD6AAB0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">-- None. No documentation exists for this element. --</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_ProceedsFromSaleOfFederalHomeLoanBankAdvancesAbstract" xlink:label="loc_fhlbbost_ProceedsFromSaleOfFederalHomeLoanBankAdvancesAbstract_7CF6B7AA6CFD12DCE452DAC59AD6AAB0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_ProceedsFromSaleOfFederalHomeLoanBankAdvancesAbstract_7CF6B7AA6CFD12DCE452DAC59AD6AAB0" xlink:to="lab_fhlbbost_ProceedsFromSaleOfFederalHomeLoanBankAdvancesAbstract_7CF6B7AA6CFD12DCE452DAC59AD6AAB0" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromFederalHomeLoanBankAdvances_9717F6CFDF8F431F73D8DAC59AD6E7F6_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromFederalHomeLoanBankAdvances_9717F6CFDF8F431F73D8DAC59AD6E7F6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds</link:label>
    <link:label id="lab_us-gaap_ProceedsFromFederalHomeLoanBankAdvances_9717F6CFDF8F431F73D8DAC59AD6E7F6_label_en-US" xlink:label="lab_us-gaap_ProceedsFromFederalHomeLoanBankAdvances_9717F6CFDF8F431F73D8DAC59AD6E7F6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Federal Home Loan Bank Advances</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromFederalHomeLoanBankAdvances" xlink:label="loc_us-gaap_ProceedsFromFederalHomeLoanBankAdvances_9717F6CFDF8F431F73D8DAC59AD6E7F6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromFederalHomeLoanBankAdvances_9717F6CFDF8F431F73D8DAC59AD6E7F6" xlink:to="lab_us-gaap_ProceedsFromFederalHomeLoanBankAdvances_9717F6CFDF8F431F73D8DAC59AD6E7F6" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsForFederalHomeLoanBankAdvances_9F7FA53870AA40BC29C7DAC59AD6D8E0_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForFederalHomeLoanBankAdvances_9F7FA53870AA40BC29C7DAC59AD6D8E0" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Disbursements</link:label>
    <link:label id="lab_us-gaap_PaymentsForFederalHomeLoanBankAdvances_9F7FA53870AA40BC29C7DAC59AD6D8E0_label_en-US" xlink:label="lab_us-gaap_PaymentsForFederalHomeLoanBankAdvances_9F7FA53870AA40BC29C7DAC59AD6D8E0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for Federal Home Loan Bank Advances</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsForFederalHomeLoanBankAdvances" xlink:label="loc_us-gaap_PaymentsForFederalHomeLoanBankAdvances_9F7FA53870AA40BC29C7DAC59AD6D8E0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForFederalHomeLoanBankAdvances_9F7FA53870AA40BC29C7DAC59AD6D8E0" xlink:to="lab_us-gaap_PaymentsForFederalHomeLoanBankAdvances_9F7FA53870AA40BC29C7DAC59AD6D8E0" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsForProceedsFromLoansAndLeasesAbstract_B4C87F278A070DBF198499BB587AA72B_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromLoansAndLeasesAbstract_B4C87F278A070DBF198499BB587AA72B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage loans held for portfolio:</link:label>
    <link:label id="lab_us-gaap_PaymentsForProceedsFromLoansAndLeasesAbstract_B4C87F278A070DBF198499BB587AA72B_label_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromLoansAndLeasesAbstract_B4C87F278A070DBF198499BB587AA72B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for (Proceeds from) Loans and Leases [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsForProceedsFromLoansAndLeasesAbstract" xlink:label="loc_us-gaap_PaymentsForProceedsFromLoansAndLeasesAbstract_B4C87F278A070DBF198499BB587AA72B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForProceedsFromLoansAndLeasesAbstract_B4C87F278A070DBF198499BB587AA72B" xlink:to="lab_us-gaap_PaymentsForProceedsFromLoansAndLeasesAbstract_B4C87F278A070DBF198499BB587AA72B" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment_4CD55A78044893AED78B99BDA3C0F722_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment_4CD55A78044893AED78B99BDA3C0F722" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds</link:label>
    <link:label id="lab_us-gaap_ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment_4CD55A78044893AED78B99BDA3C0F722_label_en-US" xlink:label="lab_us-gaap_ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment_4CD55A78044893AED78B99BDA3C0F722" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Principal Repayments on Loans and Leases Held-for-investment</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment" xlink:label="loc_us-gaap_ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment_4CD55A78044893AED78B99BDA3C0F722" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment_4CD55A78044893AED78B99BDA3C0F722" xlink:to="lab_us-gaap_ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment_4CD55A78044893AED78B99BDA3C0F722" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquireLoansHeldForInvestment_10D9B4BC91C8BF2DF013DAC59AD636F8_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireLoansHeldForInvestment_10D9B4BC91C8BF2DF013DAC59AD636F8" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Purchases</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireLoansHeldForInvestment_10D9B4BC91C8BF2DF013DAC59AD636F8_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireLoansHeldForInvestment_10D9B4BC91C8BF2DF013DAC59AD636F8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Loans Held-for-investment</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireLoansHeldForInvestment" xlink:label="loc_us-gaap_PaymentsToAcquireLoansHeldForInvestment_10D9B4BC91C8BF2DF013DAC59AD636F8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireLoansHeldForInvestment_10D9B4BC91C8BF2DF013DAC59AD636F8" xlink:to="lab_us-gaap_PaymentsToAcquireLoansHeldForInvestment_10D9B4BC91C8BF2DF013DAC59AD636F8" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromSaleOfForeclosedAssets_5EDA4CD1C5E4FE924631DAC59AD6B5D9_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfForeclosedAssets_5EDA4CD1C5E4FE924631DAC59AD6B5D9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from sale of foreclosed assets</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfForeclosedAssets_5EDA4CD1C5E4FE924631DAC59AD6B5D9_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfForeclosedAssets_5EDA4CD1C5E4FE924631DAC59AD6B5D9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale of Foreclosed Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleOfForeclosedAssets" xlink:label="loc_us-gaap_ProceedsFromSaleOfForeclosedAssets_5EDA4CD1C5E4FE924631DAC59AD6B5D9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfForeclosedAssets_5EDA4CD1C5E4FE924631DAC59AD6B5D9" xlink:to="lab_us-gaap_ProceedsFromSaleOfForeclosedAssets_5EDA4CD1C5E4FE924631DAC59AD6B5D9" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_414B37504B94B5EA791099BEE0A4BF3D_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_414B37504B94B5EA791099BEE0A4BF3D" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by investing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_414B37504B94B5EA791099BEE0A4BF3D_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_414B37504B94B5EA791099BEE0A4BF3D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_414B37504B94B5EA791099BEE0A4BF3D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_414B37504B94B5EA791099BEE0A4BF3D" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_414B37504B94B5EA791099BEE0A4BF3D" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_83EFFBC02924FDCFBA5C99BFB43FB3AD_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_83EFFBC02924FDCFBA5C99BFB43FB3AD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">FINANCING ACTIVITIES</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_83EFFBC02924FDCFBA5C99BFB43FB3AD_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_83EFFBC02924FDCFBA5C99BFB43FB3AD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_83EFFBC02924FDCFBA5C99BFB43FB3AD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_83EFFBC02924FDCFBA5C99BFB43FB3AD" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_83EFFBC02924FDCFBA5C99BFB43FB3AD" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInDeposits_955F04AA763FC59C609ADAC59AD64DDB_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInDeposits_955F04AA763FC59C609ADAC59AD64DDB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net change in deposits</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInDeposits_955F04AA763FC59C609ADAC59AD64DDB_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInDeposits_955F04AA763FC59C609ADAC59AD64DDB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Deposits</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInDeposits" xlink:label="loc_us-gaap_IncreaseDecreaseInDeposits_955F04AA763FC59C609ADAC59AD64DDB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInDeposits_955F04AA763FC59C609ADAC59AD64DDB" xlink:to="lab_us-gaap_IncreaseDecreaseInDeposits_955F04AA763FC59C609ADAC59AD64DDB" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsForProceedsFromHedgeFinancingActivities_E061C29BFC06F73D91BADAC59AD6E450_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromHedgeFinancingActivities_E061C29BFC06F73D91BADAC59AD6E450" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Net payments on derivative contracts with a financing element</link:label>
    <link:label id="lab_us-gaap_PaymentsForProceedsFromHedgeFinancingActivities_E061C29BFC06F73D91BADAC59AD6E450_label_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromHedgeFinancingActivities_E061C29BFC06F73D91BADAC59AD6E450" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for (Proceeds from) Hedge, Financing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsForProceedsFromHedgeFinancingActivities" xlink:label="loc_us-gaap_PaymentsForProceedsFromHedgeFinancingActivities_E061C29BFC06F73D91BADAC59AD6E450" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForProceedsFromHedgeFinancingActivities_E061C29BFC06F73D91BADAC59AD6E450" xlink:to="lab_us-gaap_PaymentsForProceedsFromHedgeFinancingActivities_E061C29BFC06F73D91BADAC59AD6E450" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebtAbstract_3DCAC679ABF9B4C31A3999C29701AE72_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebtAbstract_3DCAC679ABF9B4C31A3999C29701AE72" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net proceeds from issuance of consolidated obligations:</link:label>
    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebtAbstract_3DCAC679ABF9B4C31A3999C29701AE72_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebtAbstract_3DCAC679ABF9B4C31A3999C29701AE72" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Issuance of Long-term Debt [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebtAbstract" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebtAbstract_3DCAC679ABF9B4C31A3999C29701AE72" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebtAbstract_3DCAC679ABF9B4C31A3999C29701AE72" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebtAbstract_3DCAC679ABF9B4C31A3999C29701AE72" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromOtherShortTermDebt_D0AD1454D6F06F6D004BDAC59AD68582_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromOtherShortTermDebt_D0AD1454D6F06F6D004BDAC59AD68582" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discount notes</link:label>
    <link:label id="lab_us-gaap_ProceedsFromOtherShortTermDebt_D0AD1454D6F06F6D004BDAC59AD68582_label_en-US" xlink:label="lab_us-gaap_ProceedsFromOtherShortTermDebt_D0AD1454D6F06F6D004BDAC59AD68582" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Other Short-term Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromOtherShortTermDebt" xlink:label="loc_us-gaap_ProceedsFromOtherShortTermDebt_D0AD1454D6F06F6D004BDAC59AD68582" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromOtherShortTermDebt_D0AD1454D6F06F6D004BDAC59AD68582" xlink:to="lab_us-gaap_ProceedsFromOtherShortTermDebt_D0AD1454D6F06F6D004BDAC59AD68582" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_8C6EF22FCC1DE02B5A6199C3E2F9CD9B_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_8C6EF22FCC1DE02B5A6199C3E2F9CD9B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bonds</link:label>
    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_8C6EF22FCC1DE02B5A6199C3E2F9CD9B_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_8C6EF22FCC1DE02B5A6199C3E2F9CD9B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Issuance of Other Long-term Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_8C6EF22FCC1DE02B5A6199C3E2F9CD9B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_8C6EF22FCC1DE02B5A6199C3E2F9CD9B" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_8C6EF22FCC1DE02B5A6199C3E2F9CD9B" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromBondsTransferredFromOtherOtherFederalHomeLoanBanks_77436E809EEB9C5FE5B773E470BF7516_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromBondsTransferredFromOtherOtherFederalHomeLoanBanks_77436E809EEB9C5FE5B773E470BF7516" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bonds transferred from other FHLBanks</link:label>
    <link:label id="lab_us-gaap_ProceedsFromBondsTransferredFromOtherOtherFederalHomeLoanBanks_77436E809EEB9C5FE5B773E470BF7516_label_en-US" xlink:label="lab_us-gaap_ProceedsFromBondsTransferredFromOtherOtherFederalHomeLoanBanks_77436E809EEB9C5FE5B773E470BF7516" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Bonds Transferred from Other Federal Home Loan Banks</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromBondsTransferredFromOtherOtherFederalHomeLoanBanks" xlink:label="loc_us-gaap_ProceedsFromBondsTransferredFromOtherOtherFederalHomeLoanBanks_77436E809EEB9C5FE5B773E470BF7516" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromBondsTransferredFromOtherOtherFederalHomeLoanBanks_77436E809EEB9C5FE5B773E470BF7516" xlink:to="lab_us-gaap_ProceedsFromBondsTransferredFromOtherOtherFederalHomeLoanBanks_77436E809EEB9C5FE5B773E470BF7516" xlink:type="arc" />
    <link:label id="lab_fhlbbost_PaymentsForMaturingAndRetiringConsolidatedObligationsAbstract_6394FCB23D83C8F9177DDAC59AD613BD_terseLabel_en-US" xlink:label="lab_fhlbbost_PaymentsForMaturingAndRetiringConsolidatedObligationsAbstract_6394FCB23D83C8F9177DDAC59AD613BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payments for maturing and retiring consolidated obligations:</link:label>
    <link:label id="lab_fhlbbost_PaymentsForMaturingAndRetiringConsolidatedObligationsAbstract_6394FCB23D83C8F9177DDAC59AD613BD_label_en-US" xlink:label="lab_fhlbbost_PaymentsForMaturingAndRetiringConsolidatedObligationsAbstract_6394FCB23D83C8F9177DDAC59AD613BD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for Maturing and Retiring Consolidated Obligations [Abstract]</link:label>
    <link:label id="lab_fhlbbost_PaymentsForMaturingAndRetiringConsolidatedObligationsAbstract_6394FCB23D83C8F9177DDAC59AD613BD_documentation_en-US" xlink:label="lab_fhlbbost_PaymentsForMaturingAndRetiringConsolidatedObligationsAbstract_6394FCB23D83C8F9177DDAC59AD613BD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">-- None. No documentation exists for this element. --</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_PaymentsForMaturingAndRetiringConsolidatedObligationsAbstract" xlink:label="loc_fhlbbost_PaymentsForMaturingAndRetiringConsolidatedObligationsAbstract_6394FCB23D83C8F9177DDAC59AD613BD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_PaymentsForMaturingAndRetiringConsolidatedObligationsAbstract_6394FCB23D83C8F9177DDAC59AD613BD" xlink:to="lab_fhlbbost_PaymentsForMaturingAndRetiringConsolidatedObligationsAbstract_6394FCB23D83C8F9177DDAC59AD613BD" xlink:type="arc" />
    <link:label id="lab_us-gaap_RepaymentsOfOtherShortTermDebt_E82835FF566AFFF252F1DAC59AD6CD80_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfOtherShortTermDebt_E82835FF566AFFF252F1DAC59AD6CD80" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Discount notes</link:label>
    <link:label id="lab_us-gaap_RepaymentsOfOtherShortTermDebt_E82835FF566AFFF252F1DAC59AD6CD80_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfOtherShortTermDebt_E82835FF566AFFF252F1DAC59AD6CD80" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of Other Short-term Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RepaymentsOfOtherShortTermDebt" xlink:label="loc_us-gaap_RepaymentsOfOtherShortTermDebt_E82835FF566AFFF252F1DAC59AD6CD80" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfOtherShortTermDebt_E82835FF566AFFF252F1DAC59AD6CD80" xlink:to="lab_us-gaap_RepaymentsOfOtherShortTermDebt_E82835FF566AFFF252F1DAC59AD6CD80" xlink:type="arc" />
    <link:label id="lab_us-gaap_RepaymentsOfOtherLongTermDebt_C2CA2318D69B24172A9CDAC59AD6080C_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfOtherLongTermDebt_C2CA2318D69B24172A9CDAC59AD6080C" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Bonds</link:label>
    <link:label id="lab_us-gaap_RepaymentsOfOtherLongTermDebt_C2CA2318D69B24172A9CDAC59AD6080C_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfOtherLongTermDebt_C2CA2318D69B24172A9CDAC59AD6080C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of Other Long-term Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RepaymentsOfOtherLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfOtherLongTermDebt_C2CA2318D69B24172A9CDAC59AD6080C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfOtherLongTermDebt_C2CA2318D69B24172A9CDAC59AD6080C" xlink:to="lab_us-gaap_RepaymentsOfOtherLongTermDebt_C2CA2318D69B24172A9CDAC59AD6080C" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfCommonStock_3D7FE3C843B318D5022DDAC59AD64296_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfCommonStock_3D7FE3C843B318D5022DDAC59AD64296" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from issuance of capital stock</link:label>
    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfCommonStock_3D7FE3C843B318D5022DDAC59AD64296_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfCommonStock_3D7FE3C843B318D5022DDAC59AD64296" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Issuance of Common Stock</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_3D7FE3C843B318D5022DDAC59AD64296" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_3D7FE3C843B318D5022DDAC59AD64296" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfCommonStock_3D7FE3C843B318D5022DDAC59AD64296" xlink:type="arc" />
    <link:label id="lab_us-gaap_RepaymentsOfMandatoryRedeemableCapitalSecurities_AFC9B6CF7619152CA580DAC59AD6513B_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfMandatoryRedeemableCapitalSecurities_AFC9B6CF7619152CA580DAC59AD6513B" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Payments for redemption of mandatorily redeemable capital stock</link:label>
    <link:label id="lab_us-gaap_RepaymentsOfMandatoryRedeemableCapitalSecurities_AFC9B6CF7619152CA580DAC59AD6513B_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfMandatoryRedeemableCapitalSecurities_AFC9B6CF7619152CA580DAC59AD6513B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of Mandatory Redeemable Capital Securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RepaymentsOfMandatoryRedeemableCapitalSecurities" xlink:label="loc_us-gaap_RepaymentsOfMandatoryRedeemableCapitalSecurities_AFC9B6CF7619152CA580DAC59AD6513B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfMandatoryRedeemableCapitalSecurities_AFC9B6CF7619152CA580DAC59AD6513B" xlink:to="lab_us-gaap_RepaymentsOfMandatoryRedeemableCapitalSecurities_AFC9B6CF7619152CA580DAC59AD6513B" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_34437A6CAC52DC4D55A01D19AD8A01A3_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_34437A6CAC52DC4D55A01D19AD8A01A3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payments for repurchase/redemption of capital stock</link:label>
    <link:label id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_34437A6CAC52DC4D55A01D19AD8A01A3_label_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_34437A6CAC52DC4D55A01D19AD8A01A3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for Repurchase of Common Stock</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_34437A6CAC52DC4D55A01D19AD8A01A3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_34437A6CAC52DC4D55A01D19AD8A01A3" xlink:to="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_34437A6CAC52DC4D55A01D19AD8A01A3" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsOfDividendsCommonStock_4601CE6C13BD6D2FC33399CA2CD07EA8_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDividendsCommonStock_4601CE6C13BD6D2FC33399CA2CD07EA8" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Cash dividends paid</link:label>
    <link:label id="lab_us-gaap_PaymentsOfDividendsCommonStock_4601CE6C13BD6D2FC33399CA2CD07EA8_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDividendsCommonStock_4601CE6C13BD6D2FC33399CA2CD07EA8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments of Dividends, Common Stock</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_4601CE6C13BD6D2FC33399CA2CD07EA8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDividendsCommonStock_4601CE6C13BD6D2FC33399CA2CD07EA8" xlink:to="lab_us-gaap_PaymentsOfDividendsCommonStock_4601CE6C13BD6D2FC33399CA2CD07EA8" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_C1770326C8EF6025612A99CA8DDC97F2_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_C1770326C8EF6025612A99CA8DDC97F2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash used in financing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_C1770326C8EF6025612A99CA8DDC97F2_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_C1770326C8EF6025612A99CA8DDC97F2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_C1770326C8EF6025612A99CA8DDC97F2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_C1770326C8EF6025612A99CA8DDC97F2" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_C1770326C8EF6025612A99CA8DDC97F2" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_2F93452DFB1F83030192DAC59AD79177_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_2F93452DFB1F83030192DAC59AD79177" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net increase (decrease) in cash and due from banks</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_2F93452DFB1F83030192DAC59AD79177_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_2F93452DFB1F83030192DAC59AD79177" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, Period Increase (Decrease)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_2F93452DFB1F83030192DAC59AD79177" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_2F93452DFB1F83030192DAC59AD79177" xlink:to="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_2F93452DFB1F83030192DAC59AD79177" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_138DD54CD357613037E9DAC59AD7642F_periodStartLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_138DD54CD357613037E9DAC59AD7642F" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Cash and due from banks at beginning of the year</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_138DD54CD357613037E9DAC59AD7642F_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_138DD54CD357613037E9DAC59AD7642F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, at Carrying Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_138DD54CD357613037E9DAC59AD7642F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_138DD54CD357613037E9DAC59AD7642F" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_138DD54CD357613037E9DAC59AD7642F" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_E45907F1DE8ACA22BBFADAC59AD769F3_periodEndLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_E45907F1DE8ACA22BBFADAC59AD769F3" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Cash and due from banks at end of the year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_E45907F1DE8ACA22BBFADAC59AD769F3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_E45907F1DE8ACA22BBFADAC59AD769F3" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_E45907F1DE8ACA22BBFADAC59AD769F3" xlink:type="arc" />
    <link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_DE70C846692126E678A8DAC59AD7BC47_terseLabel_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_DE70C846692126E678A8DAC59AD7BC47" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Supplemental disclosures:</link:label>
    <link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_DE70C846692126E678A8DAC59AD7BC47_label_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_DE70C846692126E678A8DAC59AD7BC47" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Supplemental Cash Flow Information [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_DE70C846692126E678A8DAC59AD7BC47" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_DE70C846692126E678A8DAC59AD7BC47" xlink:to="lab_us-gaap_SupplementalCashFlowInformationAbstract_DE70C846692126E678A8DAC59AD7BC47" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestPaidNet_EC046BD29B6687616BA5DAC59AD75711_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPaidNet_EC046BD29B6687616BA5DAC59AD75711" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest paid</link:label>
    <link:label id="lab_us-gaap_InterestPaidNet_EC046BD29B6687616BA5DAC59AD75711_label_en-US" xlink:label="lab_us-gaap_InterestPaidNet_EC046BD29B6687616BA5DAC59AD75711" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Paid, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestPaidNet" xlink:label="loc_us-gaap_InterestPaidNet_EC046BD29B6687616BA5DAC59AD75711" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestPaidNet_EC046BD29B6687616BA5DAC59AD75711" xlink:to="lab_us-gaap_InterestPaidNet_EC046BD29B6687616BA5DAC59AD75711" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsForAffordableHousingPrograms_B76070C806029151F578DAC59AD7F572_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForAffordableHousingPrograms_B76070C806029151F578DAC59AD7F572" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AHP payments</link:label>
    <link:label id="lab_us-gaap_PaymentsForAffordableHousingPrograms_B76070C806029151F578DAC59AD7F572_label_en-US" xlink:label="lab_us-gaap_PaymentsForAffordableHousingPrograms_B76070C806029151F578DAC59AD7F572" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for Affordable Housing Programs</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsForAffordableHousingPrograms" xlink:label="loc_us-gaap_PaymentsForAffordableHousingPrograms_B76070C806029151F578DAC59AD7F572" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForAffordableHousingPrograms_B76070C806029151F578DAC59AD7F572" xlink:to="lab_us-gaap_PaymentsForAffordableHousingPrograms_B76070C806029151F578DAC59AD7F572" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsForCongressionallyMandatedFederalHomeLoanBankAssessments_AC597A183267EA41BD8F7159FA9BCDB8_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForCongressionallyMandatedFederalHomeLoanBankAssessments_AC597A183267EA41BD8F7159FA9BCDB8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">REFCorp assessments refunded, net</link:label>
    <link:label id="lab_us-gaap_PaymentsForCongressionallyMandatedFederalHomeLoanBankAssessments_AC597A183267EA41BD8F7159FA9BCDB8_label_en-US" xlink:label="lab_us-gaap_PaymentsForCongressionallyMandatedFederalHomeLoanBankAssessments_AC597A183267EA41BD8F7159FA9BCDB8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for Congressionally Mandated Federal Home Loan Bank Assessments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsForCongressionallyMandatedFederalHomeLoanBankAssessments" xlink:label="loc_us-gaap_PaymentsForCongressionallyMandatedFederalHomeLoanBankAssessments_AC597A183267EA41BD8F7159FA9BCDB8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForCongressionallyMandatedFederalHomeLoanBankAssessments_AC597A183267EA41BD8F7159FA9BCDB8" xlink:to="lab_us-gaap_PaymentsForCongressionallyMandatedFederalHomeLoanBankAssessments_AC597A183267EA41BD8F7159FA9BCDB8" xlink:type="arc" />
    <link:label id="lab_fhlbbost_TransferOfMortgageLoansToRealEstateOwned_EC9A4E8B397CF03673F0DAC59AD7CDDE_terseLabel_en-US" xlink:label="lab_fhlbbost_TransferOfMortgageLoansToRealEstateOwned_EC9A4E8B397CF03673F0DAC59AD7CDDE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Noncash transfers of mortgage loans held for portfolio to real estate owned (REO)</link:label>
    <link:label id="lab_fhlbbost_TransferOfMortgageLoansToRealEstateOwned_EC9A4E8B397CF03673F0DAC59AD7CDDE_label_en-US" xlink:label="lab_fhlbbost_TransferOfMortgageLoansToRealEstateOwned_EC9A4E8B397CF03673F0DAC59AD7CDDE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfer of mortgage loans to real estate owned</link:label>
    <link:label id="lab_fhlbbost_TransferOfMortgageLoansToRealEstateOwned_EC9A4E8B397CF03673F0DAC59AD7CDDE_documentation_en-US" xlink:label="lab_fhlbbost_TransferOfMortgageLoansToRealEstateOwned_EC9A4E8B397CF03673F0DAC59AD7CDDE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of mortgage loans transferred to real estate owned during the period.</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_TransferOfMortgageLoansToRealEstateOwned" xlink:label="loc_fhlbbost_TransferOfMortgageLoansToRealEstateOwned_EC9A4E8B397CF03673F0DAC59AD7CDDE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_TransferOfMortgageLoansToRealEstateOwned_EC9A4E8B397CF03673F0DAC59AD7CDDE" xlink:to="lab_fhlbbost_TransferOfMortgageLoansToRealEstateOwned_EC9A4E8B397CF03673F0DAC59AD7CDDE" xlink:type="arc" />
    <link:label id="lab_fhlbbost_AffordableHousingProgramAbstract_5A84062CF6591AA99224DAC5865661F6_label_en-US" xlink:label="lab_fhlbbost_AffordableHousingProgramAbstract_5A84062CF6591AA99224DAC5865661F6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Affordable Housing Program [Abstract]</link:label>
    <link:label id="lab_fhlbbost_AffordableHousingProgramAbstract_5A84062CF6591AA99224DAC5865661F6_documentation_en-US" xlink:label="lab_fhlbbost_AffordableHousingProgramAbstract_5A84062CF6591AA99224DAC5865661F6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Affordable Housing Program [Abstract]</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_AffordableHousingProgramAbstract" xlink:label="loc_fhlbbost_AffordableHousingProgramAbstract_5A84062CF6591AA99224DAC5865661F6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_AffordableHousingProgramAbstract_5A84062CF6591AA99224DAC5865661F6" xlink:to="lab_fhlbbost_AffordableHousingProgramAbstract_5A84062CF6591AA99224DAC5865661F6" xlink:type="arc" />
    <link:label id="lab_us-gaap_AffordableHousingProgramTextBlock_BEDC1746C9A8B96C778BDAC58656F340_terseLabel_en-US" xlink:label="lab_us-gaap_AffordableHousingProgramTextBlock_BEDC1746C9A8B96C778BDAC58656F340" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Affordable Housing Program [Text Block]</link:label>
    <link:label id="lab_us-gaap_AffordableHousingProgramTextBlock_BEDC1746C9A8B96C778BDAC58656F340_label_en-US" xlink:label="lab_us-gaap_AffordableHousingProgramTextBlock_BEDC1746C9A8B96C778BDAC58656F340" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Affordable Housing Program [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AffordableHousingProgramTextBlock" xlink:label="loc_us-gaap_AffordableHousingProgramTextBlock_BEDC1746C9A8B96C778BDAC58656F340" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AffordableHousingProgramTextBlock_BEDC1746C9A8B96C778BDAC58656F340" xlink:to="lab_us-gaap_AffordableHousingProgramTextBlock_BEDC1746C9A8B96C778BDAC58656F340" xlink:type="arc" />
    <link:label id="lab_fhlbbost_AdvancesAbstract_E9BFED227FEBBFF6BD89AD8E489C2A11_label_en-US" xlink:label="lab_fhlbbost_AdvancesAbstract_E9BFED227FEBBFF6BD89AD8E489C2A11" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Advances [Abstract]</link:label>
    <link:label id="lab_fhlbbost_AdvancesAbstract_E9BFED227FEBBFF6BD89AD8E489C2A11_documentation_en-US" xlink:label="lab_fhlbbost_AdvancesAbstract_E9BFED227FEBBFF6BD89AD8E489C2A11" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Advances [Abstract]</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_AdvancesAbstract" xlink:label="loc_fhlbbost_AdvancesAbstract_E9BFED227FEBBFF6BD89AD8E489C2A11" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_AdvancesAbstract_E9BFED227FEBBFF6BD89AD8E489C2A11" xlink:to="lab_fhlbbost_AdvancesAbstract_E9BFED227FEBBFF6BD89AD8E489C2A11" xlink:type="arc" />
    <link:label id="lab_fhlbbost_AdvancesTextBlock_2C9D394C79F7B1CA4B81AD8E8CF863A6_terseLabel_en-US" xlink:label="lab_fhlbbost_AdvancesTextBlock_2C9D394C79F7B1CA4B81AD8E8CF863A6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advances [Text Block]</link:label>
    <link:label id="lab_fhlbbost_AdvancesTextBlock_2C9D394C79F7B1CA4B81AD8E8CF863A6_label_en-US" xlink:label="lab_fhlbbost_AdvancesTextBlock_2C9D394C79F7B1CA4B81AD8E8CF863A6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Advances [Text Block]</link:label>
    <link:label id="lab_fhlbbost_AdvancesTextBlock_2C9D394C79F7B1CA4B81AD8E8CF863A6_documentation_en-US" xlink:label="lab_fhlbbost_AdvancesTextBlock_2C9D394C79F7B1CA4B81AD8E8CF863A6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the entire disclosure related to Federal Home Loan Bank loans (advances)</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_AdvancesTextBlock" xlink:label="loc_fhlbbost_AdvancesTextBlock_2C9D394C79F7B1CA4B81AD8E8CF863A6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_AdvancesTextBlock_2C9D394C79F7B1CA4B81AD8E8CF863A6" xlink:to="lab_fhlbbost_AdvancesTextBlock_2C9D394C79F7B1CA4B81AD8E8CF863A6" xlink:type="arc" />
    <link:label id="lab_us-gaap_DepositsAbstract_BE463085A49C7C0D0489DAC589CC2921_label_en-US" xlink:label="lab_us-gaap_DepositsAbstract_BE463085A49C7C0D0489DAC589CC2921" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deposits [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DepositsAbstract" xlink:label="loc_us-gaap_DepositsAbstract_BE463085A49C7C0D0489DAC589CC2921" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DepositsAbstract_BE463085A49C7C0D0489DAC589CC2921" xlink:to="lab_us-gaap_DepositsAbstract_BE463085A49C7C0D0489DAC589CC2921" xlink:type="arc" />
    <link:label id="lab_us-gaap_DepositLiabilitiesDisclosuresTextBlock_1C5531F1A46FD115C80FDAC589CC7528_terseLabel_en-US" xlink:label="lab_us-gaap_DepositLiabilitiesDisclosuresTextBlock_1C5531F1A46FD115C80FDAC589CC7528" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deposit Liabilities Disclosures [Text Block]</link:label>
    <link:label id="lab_us-gaap_DepositLiabilitiesDisclosuresTextBlock_1C5531F1A46FD115C80FDAC589CC7528_label_en-US" xlink:label="lab_us-gaap_DepositLiabilitiesDisclosuresTextBlock_1C5531F1A46FD115C80FDAC589CC7528" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deposit Liabilities Disclosures [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DepositLiabilitiesDisclosuresTextBlock" xlink:label="loc_us-gaap_DepositLiabilitiesDisclosuresTextBlock_1C5531F1A46FD115C80FDAC589CC7528" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DepositLiabilitiesDisclosuresTextBlock_1C5531F1A46FD115C80FDAC589CC7528" xlink:to="lab_us-gaap_DepositLiabilitiesDisclosuresTextBlock_1C5531F1A46FD115C80FDAC589CC7528" xlink:type="arc" />
    <link:label id="lab_fhlbbost_SecuritiesPurchasedUnderAgreementsToResellAbstract_66446BDDE5620C27D230CE2F62C1408A_label_en-US" xlink:label="lab_fhlbbost_SecuritiesPurchasedUnderAgreementsToResellAbstract_66446BDDE5620C27D230CE2F62C1408A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Securities Purchased Under Agreements to Resell [Abstract]</link:label>
    <link:label id="lab_fhlbbost_SecuritiesPurchasedUnderAgreementsToResellAbstract_66446BDDE5620C27D230CE2F62C1408A_documentation_en-US" xlink:label="lab_fhlbbost_SecuritiesPurchasedUnderAgreementsToResellAbstract_66446BDDE5620C27D230CE2F62C1408A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Securities Purchased Under Agreements to Resell [Abstract]</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_SecuritiesPurchasedUnderAgreementsToResellAbstract" xlink:label="loc_fhlbbost_SecuritiesPurchasedUnderAgreementsToResellAbstract_66446BDDE5620C27D230CE2F62C1408A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_SecuritiesPurchasedUnderAgreementsToResellAbstract_66446BDDE5620C27D230CE2F62C1408A" xlink:to="lab_fhlbbost_SecuritiesPurchasedUnderAgreementsToResellAbstract_66446BDDE5620C27D230CE2F62C1408A" xlink:type="arc" />
    <link:label id="lab_us-gaap_RepurchaseAgreementsResaleAgreementsSecuritiesBorrowedAndSecuritiesLoanedDisclosureTextBlock_88587BB84EEA34F864C4CE3012F44976_terseLabel_en-US" xlink:label="lab_us-gaap_RepurchaseAgreementsResaleAgreementsSecuritiesBorrowedAndSecuritiesLoanedDisclosureTextBlock_88587BB84EEA34F864C4CE3012F44976" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Repurchase Agreements, Resale Agreements, Securities Borrowed, and Securities Loaned Disclosure [Text Block]</link:label>
    <link:label id="lab_us-gaap_RepurchaseAgreementsResaleAgreementsSecuritiesBorrowedAndSecuritiesLoanedDisclosureTextBlock_88587BB84EEA34F864C4CE3012F44976_label_en-US" xlink:label="lab_us-gaap_RepurchaseAgreementsResaleAgreementsSecuritiesBorrowedAndSecuritiesLoanedDisclosureTextBlock_88587BB84EEA34F864C4CE3012F44976" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repurchase Agreements, Resale Agreements, Securities Borrowed, and Securities Loaned Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RepurchaseAgreementsResaleAgreementsSecuritiesBorrowedAndSecuritiesLoanedDisclosureTextBlock" xlink:label="loc_us-gaap_RepurchaseAgreementsResaleAgreementsSecuritiesBorrowedAndSecuritiesLoanedDisclosureTextBlock_88587BB84EEA34F864C4CE3012F44976" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepurchaseAgreementsResaleAgreementsSecuritiesBorrowedAndSecuritiesLoanedDisclosureTextBlock_88587BB84EEA34F864C4CE3012F44976" xlink:to="lab_us-gaap_RepurchaseAgreementsResaleAgreementsSecuritiesBorrowedAndSecuritiesLoanedDisclosureTextBlock_88587BB84EEA34F864C4CE3012F44976" xlink:type="arc" />
    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesAbstract_35795E7568C5C248842BDAC594F9ADE3_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesAbstract_35795E7568C5C248842BDAC594F9ADE3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Available-for-sale Securities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAbstract" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesAbstract_35795E7568C5C248842BDAC594F9ADE3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesAbstract_35795E7568C5C248842BDAC594F9ADE3" xlink:to="lab_us-gaap_AvailableForSaleSecuritiesAbstract_35795E7568C5C248842BDAC594F9ADE3" xlink:type="arc" />
    <link:label id="lab_fhlbbost_AvailableForSaleSecuritiesDisclosureTextBlock_2BF1853876A743A9A00971A5029CCFD3_terseLabel_en-US" xlink:label="lab_fhlbbost_AvailableForSaleSecuritiesDisclosureTextBlock_2BF1853876A743A9A00971A5029CCFD3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Available-for-Sale Securities Disclosure [Text Block]</link:label>
    <link:label id="lab_fhlbbost_AvailableForSaleSecuritiesDisclosureTextBlock_2BF1853876A743A9A00971A5029CCFD3_label_en-US" xlink:label="lab_fhlbbost_AvailableForSaleSecuritiesDisclosureTextBlock_2BF1853876A743A9A00971A5029CCFD3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Available-for-Sale Securities Disclosure [Text Block]</link:label>
    <link:label id="lab_fhlbbost_AvailableForSaleSecuritiesDisclosureTextBlock_2BF1853876A743A9A00971A5029CCFD3_documentation_en-US" xlink:label="lab_fhlbbost_AvailableForSaleSecuritiesDisclosureTextBlock_2BF1853876A743A9A00971A5029CCFD3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This item represents the entire disclosure related to available-for-sale securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, U.S. Treasury securities, U.S. government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other items, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt.</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_AvailableForSaleSecuritiesDisclosureTextBlock" xlink:label="loc_fhlbbost_AvailableForSaleSecuritiesDisclosureTextBlock_2BF1853876A743A9A00971A5029CCFD3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_AvailableForSaleSecuritiesDisclosureTextBlock_2BF1853876A743A9A00971A5029CCFD3" xlink:to="lab_fhlbbost_AvailableForSaleSecuritiesDisclosureTextBlock_2BF1853876A743A9A00971A5029CCFD3" xlink:type="arc" />
    <link:label id="lab_fhlbbost_HeldToMaturitySecuritiesAbstract_1195FD4B71C8641B6E48AD9A8764B759_label_en-US" xlink:label="lab_fhlbbost_HeldToMaturitySecuritiesAbstract_1195FD4B71C8641B6E48AD9A8764B759" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Held to Maturity Securities [Abstract]</link:label>
    <link:label id="lab_fhlbbost_HeldToMaturitySecuritiesAbstract_1195FD4B71C8641B6E48AD9A8764B759_documentation_en-US" xlink:label="lab_fhlbbost_HeldToMaturitySecuritiesAbstract_1195FD4B71C8641B6E48AD9A8764B759" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Held-to-Maturity Securities [Abstract]</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_HeldToMaturitySecuritiesAbstract" xlink:label="loc_fhlbbost_HeldToMaturitySecuritiesAbstract_1195FD4B71C8641B6E48AD9A8764B759" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_HeldToMaturitySecuritiesAbstract_1195FD4B71C8641B6E48AD9A8764B759" xlink:to="lab_fhlbbost_HeldToMaturitySecuritiesAbstract_1195FD4B71C8641B6E48AD9A8764B759" xlink:type="arc" />
    <link:label id="lab_fhlbbost_HeldToMaturitySecuritiesDisclosureTextBlock_CB54A769406429720EA771A8558AFD70_terseLabel_en-US" xlink:label="lab_fhlbbost_HeldToMaturitySecuritiesDisclosureTextBlock_CB54A769406429720EA771A8558AFD70" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Held-to-Maturity Securities Disclosure [Text Block]</link:label>
    <link:label id="lab_fhlbbost_HeldToMaturitySecuritiesDisclosureTextBlock_CB54A769406429720EA771A8558AFD70_label_en-US" xlink:label="lab_fhlbbost_HeldToMaturitySecuritiesDisclosureTextBlock_CB54A769406429720EA771A8558AFD70" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Held-to-Maturity Securities Disclosure [Text Block]</link:label>
    <link:label id="lab_fhlbbost_HeldToMaturitySecuritiesDisclosureTextBlock_CB54A769406429720EA771A8558AFD70_documentation_en-US" xlink:label="lab_fhlbbost_HeldToMaturitySecuritiesDisclosureTextBlock_CB54A769406429720EA771A8558AFD70" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This item represnets the entire disclosure related to all investments in certain debt and equity securities for which the enitiy has the positive intent and ability to hold until maturity.</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_HeldToMaturitySecuritiesDisclosureTextBlock" xlink:label="loc_fhlbbost_HeldToMaturitySecuritiesDisclosureTextBlock_CB54A769406429720EA771A8558AFD70" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_HeldToMaturitySecuritiesDisclosureTextBlock_CB54A769406429720EA771A8558AFD70" xlink:to="lab_fhlbbost_HeldToMaturitySecuritiesDisclosureTextBlock_CB54A769406429720EA771A8558AFD70" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndDueFromBanksAbstract_FF35612A001EC38E3139CE24E6648B13_label_en-US" xlink:label="lab_us-gaap_CashAndDueFromBanksAbstract_FF35612A001EC38E3139CE24E6648B13" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Due from Banks [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndDueFromBanksAbstract" xlink:label="loc_us-gaap_CashAndDueFromBanksAbstract_FF35612A001EC38E3139CE24E6648B13" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndDueFromBanksAbstract_FF35612A001EC38E3139CE24E6648B13" xlink:to="lab_us-gaap_CashAndDueFromBanksAbstract_FF35612A001EC38E3139CE24E6648B13" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsDisclosureTextBlock_8E538B559B339F6792BCCE2555497FBE_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsDisclosureTextBlock_8E538B559B339F6792BCCE2555497FBE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents Disclosure [Text Block]</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsDisclosureTextBlock_8E538B559B339F6792BCCE2555497FBE_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsDisclosureTextBlock_8E538B559B339F6792BCCE2555497FBE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsDisclosureTextBlock" xlink:label="loc_us-gaap_CashAndCashEquivalentsDisclosureTextBlock_8E538B559B339F6792BCCE2555497FBE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsDisclosureTextBlock_8E538B559B339F6792BCCE2555497FBE" xlink:to="lab_us-gaap_CashAndCashEquivalentsDisclosureTextBlock_8E538B559B339F6792BCCE2555497FBE" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_3FC5C99B158665428DECDAC581EE73A3_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_3FC5C99B158665428DECDAC581EE73A3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_3FC5C99B158665428DECDAC581EE73A3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_3FC5C99B158665428DECDAC581EE73A3" xlink:to="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_3FC5C99B158665428DECDAC581EE73A3" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_A1B540746705DC7DEE31DAC581EE8876_terseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_A1B540746705DC7DEE31DAC581EE8876" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies Disclosure [Text Block]</link:label>
    <link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_A1B540746705DC7DEE31DAC581EE8876_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_A1B540746705DC7DEE31DAC581EE8876" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_A1B540746705DC7DEE31DAC581EE8876" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_A1B540746705DC7DEE31DAC581EE8876" xlink:to="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_A1B540746705DC7DEE31DAC581EE8876" xlink:type="arc" />
    <link:label id="lab_fhlbbost_ResolutionFundingCorporationAbstract_39A36C1A3034CAB9550ACE391372C366_label_en-US" xlink:label="lab_fhlbbost_ResolutionFundingCorporationAbstract_39A36C1A3034CAB9550ACE391372C366" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Resolution Funding Corporation [Abstract]</link:label>
    <link:label id="lab_fhlbbost_ResolutionFundingCorporationAbstract_39A36C1A3034CAB9550ACE391372C366_documentation_en-US" xlink:label="lab_fhlbbost_ResolutionFundingCorporationAbstract_39A36C1A3034CAB9550ACE391372C366" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Resolution Funding Corporation [Abstract]</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_ResolutionFundingCorporationAbstract" xlink:label="loc_fhlbbost_ResolutionFundingCorporationAbstract_39A36C1A3034CAB9550ACE391372C366" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_ResolutionFundingCorporationAbstract_39A36C1A3034CAB9550ACE391372C366" xlink:to="lab_fhlbbost_ResolutionFundingCorporationAbstract_39A36C1A3034CAB9550ACE391372C366" xlink:type="arc" />
    <link:label id="lab_fhlbbost_ResolutionFundingCorporationTextBlock_BAF823E297D305022072CE3E81E856B8_terseLabel_en-US" xlink:label="lab_fhlbbost_ResolutionFundingCorporationTextBlock_BAF823E297D305022072CE3E81E856B8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Resolution Funding Corporation [Text Block]</link:label>
    <link:label id="lab_fhlbbost_ResolutionFundingCorporationTextBlock_BAF823E297D305022072CE3E81E856B8_label_en-US" xlink:label="lab_fhlbbost_ResolutionFundingCorporationTextBlock_BAF823E297D305022072CE3E81E856B8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Resolution Funding Corporation [Text Block]</link:label>
    <link:label id="lab_fhlbbost_ResolutionFundingCorporationTextBlock_BAF823E297D305022072CE3E81E856B8_documentation_en-US" xlink:label="lab_fhlbbost_ResolutionFundingCorporationTextBlock_BAF823E297D305022072CE3E81E856B8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This item represents the entire disclosure related to the Congressionally mandated Federal Home Loan Bank assessments, such as Resolution Funding Corporation (REFCorp) Assessments used to provide funding for resolution and disposition of insolvent savings institutions.</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_ResolutionFundingCorporationTextBlock" xlink:label="loc_fhlbbost_ResolutionFundingCorporationTextBlock_BAF823E297D305022072CE3E81E856B8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_ResolutionFundingCorporationTextBlock_BAF823E297D305022072CE3E81E856B8" xlink:to="lab_fhlbbost_ResolutionFundingCorporationTextBlock_BAF823E297D305022072CE3E81E856B8" xlink:type="arc" />
    <link:label id="lab_fhlbbost_RecentlyIssuedAccountingStandardsAndInterpretationsAbstract_20B5C2703262DB369A41ADAC11294C5D_label_en-US" xlink:label="lab_fhlbbost_RecentlyIssuedAccountingStandardsAndInterpretationsAbstract_20B5C2703262DB369A41ADAC11294C5D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Recently Issued Accounting Standards and Interpretations [Abstract]</link:label>
    <link:label id="lab_fhlbbost_RecentlyIssuedAccountingStandardsAndInterpretationsAbstract_20B5C2703262DB369A41ADAC11294C5D_documentation_en-US" xlink:label="lab_fhlbbost_RecentlyIssuedAccountingStandardsAndInterpretationsAbstract_20B5C2703262DB369A41ADAC11294C5D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Recently Issued Accounting Standards and Interpretations [Abstract]</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_RecentlyIssuedAccountingStandardsAndInterpretationsAbstract" xlink:label="loc_fhlbbost_RecentlyIssuedAccountingStandardsAndInterpretationsAbstract_20B5C2703262DB369A41ADAC11294C5D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_RecentlyIssuedAccountingStandardsAndInterpretationsAbstract_20B5C2703262DB369A41ADAC11294C5D" xlink:to="lab_fhlbbost_RecentlyIssuedAccountingStandardsAndInterpretationsAbstract_20B5C2703262DB369A41ADAC11294C5D" xlink:type="arc" />
    <link:label id="lab_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_CA97712E0A76FD5FC3F520180F245CA5_terseLabel_en-US" xlink:label="lab_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_CA97712E0A76FD5FC3F520180F245CA5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Description of New Accounting Pronouncements Not yet Adopted [Text Block]</link:label>
    <link:label id="lab_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_CA97712E0A76FD5FC3F520180F245CA5_label_en-US" xlink:label="lab_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_CA97712E0A76FD5FC3F520180F245CA5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of New Accounting Pronouncements Not yet Adopted [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted" xlink:label="loc_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_CA97712E0A76FD5FC3F520180F245CA5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_CA97712E0A76FD5FC3F520180F245CA5" xlink:to="lab_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_CA97712E0A76FD5FC3F520180F245CA5" xlink:type="arc" />
    <link:label id="lab_fhlbbost_SummaryOfSignificantAccountingPoliciesAbstract_C4EACF55B7CCB6553BC5CE1EE68D9633_label_en-US" xlink:label="lab_fhlbbost_SummaryOfSignificantAccountingPoliciesAbstract_C4EACF55B7CCB6553BC5CE1EE68D9633" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Summary of Significant Accounting Policies [Abstract]</link:label>
    <link:label id="lab_fhlbbost_SummaryOfSignificantAccountingPoliciesAbstract_C4EACF55B7CCB6553BC5CE1EE68D9633_documentation_en-US" xlink:label="lab_fhlbbost_SummaryOfSignificantAccountingPoliciesAbstract_C4EACF55B7CCB6553BC5CE1EE68D9633" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Summary of Significant Accounting Policies [Abstract]</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_SummaryOfSignificantAccountingPoliciesAbstract" xlink:label="loc_fhlbbost_SummaryOfSignificantAccountingPoliciesAbstract_C4EACF55B7CCB6553BC5CE1EE68D9633" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_SummaryOfSignificantAccountingPoliciesAbstract_C4EACF55B7CCB6553BC5CE1EE68D9633" xlink:to="lab_fhlbbost_SummaryOfSignificantAccountingPoliciesAbstract_C4EACF55B7CCB6553BC5CE1EE68D9633" xlink:type="arc" />
    <link:label id="lab_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_78764B5D1E3E305BBDEBCE2068A5B9B0_terseLabel_en-US" xlink:label="lab_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_78764B5D1E3E305BBDEBCE2068A5B9B0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis of Presentation and Significant Accounting Policies [Text Block]</link:label>
    <link:label id="lab_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_78764B5D1E3E305BBDEBCE2068A5B9B0_label_en-US" xlink:label="lab_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_78764B5D1E3E305BBDEBCE2068A5B9B0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basis of Presentation and Significant Accounting Policies [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" xlink:label="loc_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_78764B5D1E3E305BBDEBCE2068A5B9B0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_78764B5D1E3E305BBDEBCE2068A5B9B0" xlink:to="lab_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_78764B5D1E3E305BBDEBCE2068A5B9B0" xlink:type="arc" />
    <link:label id="lab_fhlbbost_DerivativesAndHedgingActivitiesAbstract_4B5997B1F5E23E3A9B46DAC58C8D7DD4_label_en-US" xlink:label="lab_fhlbbost_DerivativesAndHedgingActivitiesAbstract_4B5997B1F5E23E3A9B46DAC58C8D7DD4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivatives and Hedging Activities [Abstract]</link:label>
    <link:label id="lab_fhlbbost_DerivativesAndHedgingActivitiesAbstract_4B5997B1F5E23E3A9B46DAC58C8D7DD4_documentation_en-US" xlink:label="lab_fhlbbost_DerivativesAndHedgingActivitiesAbstract_4B5997B1F5E23E3A9B46DAC58C8D7DD4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivatives and Hedging Activities [Abstract]</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_DerivativesAndHedgingActivitiesAbstract" xlink:label="loc_fhlbbost_DerivativesAndHedgingActivitiesAbstract_4B5997B1F5E23E3A9B46DAC58C8D7DD4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_DerivativesAndHedgingActivitiesAbstract_4B5997B1F5E23E3A9B46DAC58C8D7DD4" xlink:to="lab_fhlbbost_DerivativesAndHedgingActivitiesAbstract_4B5997B1F5E23E3A9B46DAC58C8D7DD4" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_D486044A061FA2B80D90DAC58C8D1657_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_D486044A061FA2B80D90DAC58C8D1657" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Instruments and Hedging Activities Disclosure [Text Block]</link:label>
    <link:label id="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_D486044A061FA2B80D90DAC58C8D1657_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_D486044A061FA2B80D90DAC58C8D1657" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Instruments and Hedging Activities Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_D486044A061FA2B80D90DAC58C8D1657" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_D486044A061FA2B80D90DAC58C8D1657" xlink:to="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_D486044A061FA2B80D90DAC58C8D1657" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementOfFinancialPositionAbstract_ECC423B1F6EBC816EF1EDAC59CC8803B_label_en-US" xlink:label="lab_us-gaap_StatementOfFinancialPositionAbstract_ECC423B1F6EBC816EF1EDAC59CC8803B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Financial Position [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_ECC423B1F6EBC816EF1EDAC59CC8803B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_ECC423B1F6EBC816EF1EDAC59CC8803B" xlink:to="lab_us-gaap_StatementOfFinancialPositionAbstract_ECC423B1F6EBC816EF1EDAC59CC8803B" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementTable_9464BA5D7CD1A5D16E4EDAC59CC89E5D_terseLabel_en-US" xlink:label="lab_us-gaap_StatementTable_9464BA5D7CD1A5D16E4EDAC59CC89E5D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_9464BA5D7CD1A5D16E4EDAC59CC89E5D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementTable_9464BA5D7CD1A5D16E4EDAC59CC89E5D" xlink:to="lab_us-gaap_StatementTable_9464BA5D7CD1A5D16E4EDAC59CC89E5D" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementClassOfStockAxis_B0C15C9721F5021D6F05DAC59CC83AEC_terseLabel_en-US" xlink:label="lab_us-gaap_StatementClassOfStockAxis_B0C15C9721F5021D6F05DAC59CC83AEC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of Stock [Axis]</link:label>
    <link:label id="lab_us-gaap_StatementClassOfStockAxis_B0C15C9721F5021D6F05DAC59CC83AEC_label_en-US" xlink:label="lab_us-gaap_StatementClassOfStockAxis_B0C15C9721F5021D6F05DAC59CC83AEC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Stock [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_B0C15C9721F5021D6F05DAC59CC83AEC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementClassOfStockAxis_B0C15C9721F5021D6F05DAC59CC83AEC" xlink:to="lab_us-gaap_StatementClassOfStockAxis_B0C15C9721F5021D6F05DAC59CC83AEC" xlink:type="arc" />
    <link:label id="lab_us-gaap_ClassOfStockDomain_C0F23B1A79D9890DE5CADAC59CC8FA42_terseLabel_en-US" xlink:label="lab_us-gaap_ClassOfStockDomain_C0F23B1A79D9890DE5CADAC59CC8FA42" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of Stock [Domain]</link:label>
    <link:label id="lab_us-gaap_ClassOfStockDomain_C0F23B1A79D9890DE5CADAC59CC8FA42_label_en-US" xlink:label="lab_us-gaap_ClassOfStockDomain_C0F23B1A79D9890DE5CADAC59CC8FA42" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Stock [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_C0F23B1A79D9890DE5CADAC59CC8FA42" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfStockDomain_C0F23B1A79D9890DE5CADAC59CC8FA42" xlink:to="lab_us-gaap_ClassOfStockDomain_C0F23B1A79D9890DE5CADAC59CC8FA42" xlink:type="arc" />
    <link:label id="lab_us-gaap_AssetsAbstract_F9E3FA076A423D4AC0BADAC59CC9BE6D_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsAbstract_F9E3FA076A423D4AC0BADAC59CC9BE6D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ASSETS</link:label>
    <link:label id="lab_us-gaap_AssetsAbstract_F9E3FA076A423D4AC0BADAC59CC9BE6D_label_en-US" xlink:label="lab_us-gaap_AssetsAbstract_F9E3FA076A423D4AC0BADAC59CC9BE6D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_F9E3FA076A423D4AC0BADAC59CC9BE6D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsAbstract_F9E3FA076A423D4AC0BADAC59CC9BE6D" xlink:to="lab_us-gaap_AssetsAbstract_F9E3FA076A423D4AC0BADAC59CC9BE6D" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndDueFromBanks_EC40A2F95AF7D93C9FF2DAC59CC96A5D_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndDueFromBanks_EC40A2F95AF7D93C9FF2DAC59CC96A5D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and due from banks</link:label>
    <link:label id="lab_us-gaap_CashAndDueFromBanks_EC40A2F95AF7D93C9FF2DAC59CC96A5D_label_en-US" xlink:label="lab_us-gaap_CashAndDueFromBanks_EC40A2F95AF7D93C9FF2DAC59CC96A5D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Due from Banks</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndDueFromBanks" xlink:label="loc_us-gaap_CashAndDueFromBanks_EC40A2F95AF7D93C9FF2DAC59CC96A5D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndDueFromBanks_EC40A2F95AF7D93C9FF2DAC59CC96A5D" xlink:to="lab_us-gaap_CashAndDueFromBanks_EC40A2F95AF7D93C9FF2DAC59CC96A5D" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestBearingDepositsInBanks_3354415084FA42750E18DAC59CC9900A_terseLabel_en-US" xlink:label="lab_us-gaap_InterestBearingDepositsInBanks_3354415084FA42750E18DAC59CC9900A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest-bearing deposits</link:label>
    <link:label id="lab_us-gaap_InterestBearingDepositsInBanks_3354415084FA42750E18DAC59CC9900A_label_en-US" xlink:label="lab_us-gaap_InterestBearingDepositsInBanks_3354415084FA42750E18DAC59CC9900A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest-bearing Deposits in Banks and Other Financial Institutions</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestBearingDepositsInBanks" xlink:label="loc_us-gaap_InterestBearingDepositsInBanks_3354415084FA42750E18DAC59CC9900A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestBearingDepositsInBanks_3354415084FA42750E18DAC59CC9900A" xlink:to="lab_us-gaap_InterestBearingDepositsInBanks_3354415084FA42750E18DAC59CC9900A" xlink:type="arc" />
    <link:label id="lab_us-gaap_SecuritiesPurchasedUnderAgreementsToResell_36161DB043559CFD9932DAC59CC9E439_terseLabel_en-US" xlink:label="lab_us-gaap_SecuritiesPurchasedUnderAgreementsToResell_36161DB043559CFD9932DAC59CC9E439" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Securities purchased under agreements to resell</link:label>
    <link:label id="lab_us-gaap_SecuritiesPurchasedUnderAgreementsToResell_36161DB043559CFD9932DAC59CC9E439_label_en-US" xlink:label="lab_us-gaap_SecuritiesPurchasedUnderAgreementsToResell_36161DB043559CFD9932DAC59CC9E439" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Securities Purchased under Agreements to Resell</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SecuritiesPurchasedUnderAgreementsToResell" xlink:label="loc_us-gaap_SecuritiesPurchasedUnderAgreementsToResell_36161DB043559CFD9932DAC59CC9E439" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SecuritiesPurchasedUnderAgreementsToResell_36161DB043559CFD9932DAC59CC9E439" xlink:to="lab_us-gaap_SecuritiesPurchasedUnderAgreementsToResell_36161DB043559CFD9932DAC59CC9E439" xlink:type="arc" />
    <link:label id="lab_us-gaap_FederalFundsSold_21FB4402420B0EA94254DAC59CC99143_terseLabel_en-US" xlink:label="lab_us-gaap_FederalFundsSold_21FB4402420B0EA94254DAC59CC99143" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Federal funds sold</link:label>
    <link:label id="lab_us-gaap_FederalFundsSold_21FB4402420B0EA94254DAC59CC99143_label_en-US" xlink:label="lab_us-gaap_FederalFundsSold_21FB4402420B0EA94254DAC59CC99143" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Federal Funds Sold</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FederalFundsSold" xlink:label="loc_us-gaap_FederalFundsSold_21FB4402420B0EA94254DAC59CC99143" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FederalFundsSold_21FB4402420B0EA94254DAC59CC99143" xlink:to="lab_us-gaap_FederalFundsSold_21FB4402420B0EA94254DAC59CC99143" xlink:type="arc" />
    <link:label id="lab_us-gaap_MarketableSecuritiesAbstract_B177E9C78007DA30DCAF08052AC53A6B_terseLabel_en-US" xlink:label="lab_us-gaap_MarketableSecuritiesAbstract_B177E9C78007DA30DCAF08052AC53A6B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment securities:</link:label>
    <link:label id="lab_us-gaap_MarketableSecuritiesAbstract_B177E9C78007DA30DCAF08052AC53A6B_label_en-US" xlink:label="lab_us-gaap_MarketableSecuritiesAbstract_B177E9C78007DA30DCAF08052AC53A6B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Marketable Securities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MarketableSecuritiesAbstract" xlink:label="loc_us-gaap_MarketableSecuritiesAbstract_B177E9C78007DA30DCAF08052AC53A6B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MarketableSecuritiesAbstract_B177E9C78007DA30DCAF08052AC53A6B" xlink:to="lab_us-gaap_MarketableSecuritiesAbstract_B177E9C78007DA30DCAF08052AC53A6B" xlink:type="arc" />
    <link:label id="lab_us-gaap_TradingSecurities_25BDCE5D01450A10FB05DAC59CC98993_terseLabel_en-US" xlink:label="lab_us-gaap_TradingSecurities_25BDCE5D01450A10FB05DAC59CC98993" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trading securities</link:label>
    <link:label id="lab_us-gaap_TradingSecurities_25BDCE5D01450A10FB05DAC59CC98993_label_en-US" xlink:label="lab_us-gaap_TradingSecurities_25BDCE5D01450A10FB05DAC59CC98993" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trading Securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingSecurities" xlink:label="loc_us-gaap_TradingSecurities_25BDCE5D01450A10FB05DAC59CC98993" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TradingSecurities_25BDCE5D01450A10FB05DAC59CC98993" xlink:to="lab_us-gaap_TradingSecurities_25BDCE5D01450A10FB05DAC59CC98993" xlink:type="arc" />
    <link:label id="lab_us-gaap_AvailableForSaleSecurities_97F5E1AD48B0800BF934DAC59CC96DEF_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecurities_97F5E1AD48B0800BF934DAC59CC96DEF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Available-for-sale securities - includes $119,118 and $102,949 pledged as collateral at December 31, 2011 and 2010, respectively that may be repledged</link:label>
    <link:label id="lab_us-gaap_AvailableForSaleSecurities_97F5E1AD48B0800BF934DAC59CC96DEF_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecurities_97F5E1AD48B0800BF934DAC59CC96DEF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Available-for-sale Securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecurities_97F5E1AD48B0800BF934DAC59CC96DEF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableForSaleSecurities_97F5E1AD48B0800BF934DAC59CC96DEF" xlink:to="lab_us-gaap_AvailableForSaleSecurities_97F5E1AD48B0800BF934DAC59CC96DEF" xlink:type="arc" />
    <link:label id="lab_us-gaap_HeldToMaturitySecurities_1A7F374786840D04B0A5DAC59CC9C515_terseLabel_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecurities_1A7F374786840D04B0A5DAC59CC9C515" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Held-to-maturity securities - includes $128,073 and $62,770 pledged as collateral at December 31, 2011 and 2010, respectively that may be repledged</link:label>
    <link:label id="lab_us-gaap_HeldToMaturitySecurities_1A7F374786840D04B0A5DAC59CC9C515_label_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecurities_1A7F374786840D04B0A5DAC59CC9C515" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Held-to-maturity Securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HeldToMaturitySecurities" xlink:label="loc_us-gaap_HeldToMaturitySecurities_1A7F374786840D04B0A5DAC59CC9C515" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_HeldToMaturitySecurities_1A7F374786840D04B0A5DAC59CC9C515" xlink:to="lab_us-gaap_HeldToMaturitySecurities_1A7F374786840D04B0A5DAC59CC9C515" xlink:type="arc" />
    <link:label id="lab_us-gaap_MarketableSecurities_448C4F2CB1A5E010892D0805F49CCA9F_totalLabel_en-US" xlink:label="lab_us-gaap_MarketableSecurities_448C4F2CB1A5E010892D0805F49CCA9F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total investment securities</link:label>
    <link:label id="lab_us-gaap_MarketableSecurities_448C4F2CB1A5E010892D0805F49CCA9F_label_en-US" xlink:label="lab_us-gaap_MarketableSecurities_448C4F2CB1A5E010892D0805F49CCA9F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Marketable Securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MarketableSecurities" xlink:label="loc_us-gaap_MarketableSecurities_448C4F2CB1A5E010892D0805F49CCA9F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MarketableSecurities_448C4F2CB1A5E010892D0805F49CCA9F" xlink:to="lab_us-gaap_MarketableSecurities_448C4F2CB1A5E010892D0805F49CCA9F" xlink:type="arc" />
    <link:label id="lab_us-gaap_FederalHomeLoanBankAdvances_0BAB224F2043E1B4A04950CC879D5989_terseLabel_en-US" xlink:label="lab_us-gaap_FederalHomeLoanBankAdvances_0BAB224F2043E1B4A04950CC879D5989" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advances</link:label>
    <link:label id="lab_us-gaap_FederalHomeLoanBankAdvances_0BAB224F2043E1B4A04950CC879D5989_label_en-US" xlink:label="lab_us-gaap_FederalHomeLoanBankAdvances_0BAB224F2043E1B4A04950CC879D5989" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Federal Home Loan Bank Advances</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FederalHomeLoanBankAdvances" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvances_0BAB224F2043E1B4A04950CC879D5989" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FederalHomeLoanBankAdvances_0BAB224F2043E1B4A04950CC879D5989" xlink:to="lab_us-gaap_FederalHomeLoanBankAdvances_0BAB224F2043E1B4A04950CC879D5989" xlink:type="arc" />
    <link:label id="lab_us-gaap_LoansAndLeasesReceivableNetReportedAmount_F497E5A46781B6804763BCCF142DF43B_terseLabel_en-US" xlink:label="lab_us-gaap_LoansAndLeasesReceivableNetReportedAmount_F497E5A46781B6804763BCCF142DF43B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage loans held for portfolio, net of allowance for credit losses of $7,800 and $8,653 at December 31, 2011 and 2010, respectively</link:label>
    <link:label id="lab_us-gaap_LoansAndLeasesReceivableNetReportedAmount_F497E5A46781B6804763BCCF142DF43B_label_en-US" xlink:label="lab_us-gaap_LoansAndLeasesReceivableNetReportedAmount_F497E5A46781B6804763BCCF142DF43B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans and Leases Receivable, Net Reported Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LoansAndLeasesReceivableNetReportedAmount" xlink:label="loc_us-gaap_LoansAndLeasesReceivableNetReportedAmount_F497E5A46781B6804763BCCF142DF43B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansAndLeasesReceivableNetReportedAmount_F497E5A46781B6804763BCCF142DF43B" xlink:to="lab_us-gaap_LoansAndLeasesReceivableNetReportedAmount_F497E5A46781B6804763BCCF142DF43B" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestReceivable_D31BFCA57C623E310E1BDAC59CC92D2A_terseLabel_en-US" xlink:label="lab_us-gaap_InterestReceivable_D31BFCA57C623E310E1BDAC59CC92D2A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued interest receivable</link:label>
    <link:label id="lab_us-gaap_InterestReceivable_D31BFCA57C623E310E1BDAC59CC92D2A_label_en-US" xlink:label="lab_us-gaap_InterestReceivable_D31BFCA57C623E310E1BDAC59CC92D2A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Receivable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestReceivable" xlink:label="loc_us-gaap_InterestReceivable_D31BFCA57C623E310E1BDAC59CC92D2A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestReceivable_D31BFCA57C623E310E1BDAC59CC92D2A" xlink:to="lab_us-gaap_InterestReceivable_D31BFCA57C623E310E1BDAC59CC92D2A" xlink:type="arc" />
    <link:label id="lab_us-gaap_PrepaidCongressionallyMandatedAssessments_20D065B8C7FE5E6DAAB2DAC59CC9C626_terseLabel_en-US" xlink:label="lab_us-gaap_PrepaidCongressionallyMandatedAssessments_20D065B8C7FE5E6DAAB2DAC59CC9C626" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Resolution Funding Corporation (REFCorp) prepaid assessment</link:label>
    <link:label id="lab_us-gaap_PrepaidCongressionallyMandatedAssessments_20D065B8C7FE5E6DAAB2DAC59CC9C626_label_en-US" xlink:label="lab_us-gaap_PrepaidCongressionallyMandatedAssessments_20D065B8C7FE5E6DAAB2DAC59CC9C626" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Prepaid Congressionally Mandated Assessments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PrepaidCongressionallyMandatedAssessments" xlink:label="loc_us-gaap_PrepaidCongressionallyMandatedAssessments_20D065B8C7FE5E6DAAB2DAC59CC9C626" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PrepaidCongressionallyMandatedAssessments_20D065B8C7FE5E6DAAB2DAC59CC9C626" xlink:to="lab_us-gaap_PrepaidCongressionallyMandatedAssessments_20D065B8C7FE5E6DAAB2DAC59CC9C626" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_E73D6B658B89B114DF35DAC59CC95160_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_E73D6B658B89B114DF35DAC59CC95160" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Premises, software, and equipment, net</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_E73D6B658B89B114DF35DAC59CC95160_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_E73D6B658B89B114DF35DAC59CC95160" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_E73D6B658B89B114DF35DAC59CC95160" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_E73D6B658B89B114DF35DAC59CC95160" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentNet_E73D6B658B89B114DF35DAC59CC95160" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeAssets_AE77510B256DD1219786DAC59CC9B920_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeAssets_AE77510B256DD1219786DAC59CC9B920" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative assets, net</link:label>
    <link:label id="lab_us-gaap_DerivativeAssets_AE77510B256DD1219786DAC59CC9B920_label_en-US" xlink:label="lab_us-gaap_DerivativeAssets_AE77510B256DD1219786DAC59CC9B920" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeAssets" xlink:label="loc_us-gaap_DerivativeAssets_AE77510B256DD1219786DAC59CC9B920" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeAssets_AE77510B256DD1219786DAC59CC9B920" xlink:to="lab_us-gaap_DerivativeAssets_AE77510B256DD1219786DAC59CC9B920" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherAssets_CEFC2AC335912809D22DDAC59CC97702_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssets_CEFC2AC335912809D22DDAC59CC97702" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other assets</link:label>
    <link:label id="lab_us-gaap_OtherAssets_CEFC2AC335912809D22DDAC59CC97702_label_en-US" xlink:label="lab_us-gaap_OtherAssets_CEFC2AC335912809D22DDAC59CC97702" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherAssets" xlink:label="loc_us-gaap_OtherAssets_CEFC2AC335912809D22DDAC59CC97702" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssets_CEFC2AC335912809D22DDAC59CC97702" xlink:to="lab_us-gaap_OtherAssets_CEFC2AC335912809D22DDAC59CC97702" xlink:type="arc" />
    <link:label id="lab_us-gaap_Assets_F7F9F4C258163C055131DAC59CC97179_totalLabel_en-US" xlink:label="lab_us-gaap_Assets_F7F9F4C258163C055131DAC59CC97179" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Assets</link:label>
    <link:label id="lab_us-gaap_Assets_F7F9F4C258163C055131DAC59CC97179_label_en-US" xlink:label="lab_us-gaap_Assets_F7F9F4C258163C055131DAC59CC97179" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_F7F9F4C258163C055131DAC59CC97179" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Assets_F7F9F4C258163C055131DAC59CC97179" xlink:to="lab_us-gaap_Assets_F7F9F4C258163C055131DAC59CC97179" xlink:type="arc" />
    <link:label id="lab_us-gaap_LiabilitiesAbstract_5605B1D276BB053917D6DAC59CC9DFA5_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAbstract_5605B1D276BB053917D6DAC59CC9DFA5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">LIABILITIES</link:label>
    <link:label id="lab_us-gaap_LiabilitiesAbstract_5605B1D276BB053917D6DAC59CC9DFA5_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAbstract_5605B1D276BB053917D6DAC59CC9DFA5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAbstract" xlink:label="loc_us-gaap_LiabilitiesAbstract_5605B1D276BB053917D6DAC59CC9DFA5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAbstract_5605B1D276BB053917D6DAC59CC9DFA5" xlink:to="lab_us-gaap_LiabilitiesAbstract_5605B1D276BB053917D6DAC59CC9DFA5" xlink:type="arc" />
    <link:label id="lab_us-gaap_DepositsAbstract_3554DBF5F0FCD1350F7CDAC59CC96E91_terseLabel_en-US" xlink:label="lab_us-gaap_DepositsAbstract_3554DBF5F0FCD1350F7CDAC59CC96E91" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deposits:</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DepositsAbstract" xlink:label="loc_us-gaap_DepositsAbstract_3554DBF5F0FCD1350F7CDAC59CC96E91" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DepositsAbstract_3554DBF5F0FCD1350F7CDAC59CC96E91" xlink:to="lab_us-gaap_DepositsAbstract_3554DBF5F0FCD1350F7CDAC59CC96E91" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestBearingDepositLiabilities_024451277ACA07FAB54BDAC59CC9D641_terseLabel_en-US" xlink:label="lab_us-gaap_InterestBearingDepositLiabilities_024451277ACA07FAB54BDAC59CC9D641" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest-bearing</link:label>
    <link:label id="lab_us-gaap_InterestBearingDepositLiabilities_024451277ACA07FAB54BDAC59CC9D641_label_en-US" xlink:label="lab_us-gaap_InterestBearingDepositLiabilities_024451277ACA07FAB54BDAC59CC9D641" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest-bearing Deposit Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestBearingDepositLiabilities" xlink:label="loc_us-gaap_InterestBearingDepositLiabilities_024451277ACA07FAB54BDAC59CC9D641" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestBearingDepositLiabilities_024451277ACA07FAB54BDAC59CC9D641" xlink:to="lab_us-gaap_InterestBearingDepositLiabilities_024451277ACA07FAB54BDAC59CC9D641" xlink:type="arc" />
    <link:label id="lab_us-gaap_NoninterestBearingDepositLiabilities_7F9ED938930CB3C5D118DAC59CC9C701_terseLabel_en-US" xlink:label="lab_us-gaap_NoninterestBearingDepositLiabilities_7F9ED938930CB3C5D118DAC59CC9C701" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Noninterest-bearing</link:label>
    <link:label id="lab_us-gaap_NoninterestBearingDepositLiabilities_7F9ED938930CB3C5D118DAC59CC9C701_label_en-US" xlink:label="lab_us-gaap_NoninterestBearingDepositLiabilities_7F9ED938930CB3C5D118DAC59CC9C701" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noninterest-bearing Deposit Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NoninterestBearingDepositLiabilities" xlink:label="loc_us-gaap_NoninterestBearingDepositLiabilities_7F9ED938930CB3C5D118DAC59CC9C701" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NoninterestBearingDepositLiabilities_7F9ED938930CB3C5D118DAC59CC9C701" xlink:to="lab_us-gaap_NoninterestBearingDepositLiabilities_7F9ED938930CB3C5D118DAC59CC9C701" xlink:type="arc" />
    <link:label id="lab_us-gaap_Deposits_02F530FACC407342575FDAC59CC9116B_totalLabel_en-US" xlink:label="lab_us-gaap_Deposits_02F530FACC407342575FDAC59CC9116B" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Deposits</link:label>
    <link:label id="lab_us-gaap_Deposits_02F530FACC407342575FDAC59CC9116B_label_en-US" xlink:label="lab_us-gaap_Deposits_02F530FACC407342575FDAC59CC9116B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deposits</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Deposits" xlink:label="loc_us-gaap_Deposits_02F530FACC407342575FDAC59CC9116B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Deposits_02F530FACC407342575FDAC59CC9116B" xlink:to="lab_us-gaap_Deposits_02F530FACC407342575FDAC59CC9116B" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtAndCapitalLeaseObligationsAbstract_7225676620A4776BFD47DAC59CCAD169_terseLabel_en-US" xlink:label="lab_us-gaap_DebtAndCapitalLeaseObligationsAbstract_7225676620A4776BFD47DAC59CCAD169" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consolidated obligations</link:label>
    <link:label id="lab_us-gaap_DebtAndCapitalLeaseObligationsAbstract_7225676620A4776BFD47DAC59CCAD169_label_en-US" xlink:label="lab_us-gaap_DebtAndCapitalLeaseObligationsAbstract_7225676620A4776BFD47DAC59CCAD169" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt and Capital Lease Obligations [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtAndCapitalLeaseObligationsAbstract" xlink:label="loc_us-gaap_DebtAndCapitalLeaseObligationsAbstract_7225676620A4776BFD47DAC59CCAD169" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtAndCapitalLeaseObligationsAbstract_7225676620A4776BFD47DAC59CCAD169" xlink:to="lab_us-gaap_DebtAndCapitalLeaseObligationsAbstract_7225676620A4776BFD47DAC59CCAD169" xlink:type="arc" />
    <link:label id="lab_us-gaap_UnsecuredDebt_DE5000C330A1FA2DAEA3DAC59CCA2751_terseLabel_en-US" xlink:label="lab_us-gaap_UnsecuredDebt_DE5000C330A1FA2DAEA3DAC59CCA2751" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bonds</link:label>
    <link:label id="lab_us-gaap_UnsecuredDebt_DE5000C330A1FA2DAEA3DAC59CCA2751_label_en-US" xlink:label="lab_us-gaap_UnsecuredDebt_DE5000C330A1FA2DAEA3DAC59CCA2751" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unsecured Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnsecuredDebt" xlink:label="loc_us-gaap_UnsecuredDebt_DE5000C330A1FA2DAEA3DAC59CCA2751" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnsecuredDebt_DE5000C330A1FA2DAEA3DAC59CCA2751" xlink:to="lab_us-gaap_UnsecuredDebt_DE5000C330A1FA2DAEA3DAC59CCA2751" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherShortTermBorrowings_930A986E40418DE1CF7EDAC59CCA8DEA_terseLabel_en-US" xlink:label="lab_us-gaap_OtherShortTermBorrowings_930A986E40418DE1CF7EDAC59CCA8DEA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discount notes</link:label>
    <link:label id="lab_us-gaap_OtherShortTermBorrowings_930A986E40418DE1CF7EDAC59CCA8DEA_label_en-US" xlink:label="lab_us-gaap_OtherShortTermBorrowings_930A986E40418DE1CF7EDAC59CCA8DEA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Short-term Borrowings</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherShortTermBorrowings" xlink:label="loc_us-gaap_OtherShortTermBorrowings_930A986E40418DE1CF7EDAC59CCA8DEA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherShortTermBorrowings_930A986E40418DE1CF7EDAC59CCA8DEA" xlink:to="lab_us-gaap_OtherShortTermBorrowings_930A986E40418DE1CF7EDAC59CCA8DEA" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtAndCapitalLeaseObligations_F85DE150C318FA67D09DDAC59CCA53B2_totalLabel_en-US" xlink:label="lab_us-gaap_DebtAndCapitalLeaseObligations_F85DE150C318FA67D09DDAC59CCA53B2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total consolidated obligations</link:label>
    <link:label id="lab_us-gaap_DebtAndCapitalLeaseObligations_F85DE150C318FA67D09DDAC59CCA53B2_label_en-US" xlink:label="lab_us-gaap_DebtAndCapitalLeaseObligations_F85DE150C318FA67D09DDAC59CCA53B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt and Capital Lease Obligations</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtAndCapitalLeaseObligations" xlink:label="loc_us-gaap_DebtAndCapitalLeaseObligations_F85DE150C318FA67D09DDAC59CCA53B2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtAndCapitalLeaseObligations_F85DE150C318FA67D09DDAC59CCA53B2" xlink:to="lab_us-gaap_DebtAndCapitalLeaseObligations_F85DE150C318FA67D09DDAC59CCA53B2" xlink:type="arc" />
    <link:label id="lab_us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmount_902E83BD7D99B4DF6EC7DAC59CCA5949_terseLabel_en-US" xlink:label="lab_us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmount_902E83BD7D99B4DF6EC7DAC59CCA5949" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mandatorily redeemable capital stock</link:label>
    <link:label id="lab_us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmount_902E83BD7D99B4DF6EC7DAC59CCA5949_label_en-US" xlink:label="lab_us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmount_902E83BD7D99B4DF6EC7DAC59CCA5949" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmount" xlink:label="loc_us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmount_902E83BD7D99B4DF6EC7DAC59CCA5949" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmount_902E83BD7D99B4DF6EC7DAC59CCA5949" xlink:to="lab_us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmount_902E83BD7D99B4DF6EC7DAC59CCA5949" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestPayableCurrentAndNoncurrent_D41EA1074CAD153EC63ADAC59CCA9A39_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPayableCurrentAndNoncurrent_D41EA1074CAD153EC63ADAC59CCA9A39" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued interest payable</link:label>
    <link:label id="lab_us-gaap_InterestPayableCurrentAndNoncurrent_D41EA1074CAD153EC63ADAC59CCA9A39_label_en-US" xlink:label="lab_us-gaap_InterestPayableCurrentAndNoncurrent_D41EA1074CAD153EC63ADAC59CCA9A39" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Payable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestPayableCurrentAndNoncurrent" xlink:label="loc_us-gaap_InterestPayableCurrentAndNoncurrent_D41EA1074CAD153EC63ADAC59CCA9A39" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestPayableCurrentAndNoncurrent_D41EA1074CAD153EC63ADAC59CCA9A39" xlink:to="lab_us-gaap_InterestPayableCurrentAndNoncurrent_D41EA1074CAD153EC63ADAC59CCA9A39" xlink:type="arc" />
    <link:label id="lab_us-gaap_AffordableHousingProgramObligation_A9D20070D6868F72FDAADAC59CCAE4BB_terseLabel_en-US" xlink:label="lab_us-gaap_AffordableHousingProgramObligation_A9D20070D6868F72FDAADAC59CCAE4BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Affordable Housing Program (AHP) payable</link:label>
    <link:label id="lab_us-gaap_AffordableHousingProgramObligation_A9D20070D6868F72FDAADAC59CCAE4BB_label_en-US" xlink:label="lab_us-gaap_AffordableHousingProgramObligation_A9D20070D6868F72FDAADAC59CCAE4BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Affordable Housing Program Obligation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AffordableHousingProgramObligation" xlink:label="loc_us-gaap_AffordableHousingProgramObligation_A9D20070D6868F72FDAADAC59CCAE4BB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AffordableHousingProgramObligation_A9D20070D6868F72FDAADAC59CCAE4BB" xlink:to="lab_us-gaap_AffordableHousingProgramObligation_A9D20070D6868F72FDAADAC59CCAE4BB" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeLiabilities_2F276864CFA60E818F45DAC59CCAEB0C_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeLiabilities_2F276864CFA60E818F45DAC59CCAEB0C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative liabilities, net</link:label>
    <link:label id="lab_us-gaap_DerivativeLiabilities_2F276864CFA60E818F45DAC59CCAEB0C_label_en-US" xlink:label="lab_us-gaap_DerivativeLiabilities_2F276864CFA60E818F45DAC59CCAEB0C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLiabilities" xlink:label="loc_us-gaap_DerivativeLiabilities_2F276864CFA60E818F45DAC59CCAEB0C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeLiabilities_2F276864CFA60E818F45DAC59CCAEB0C" xlink:to="lab_us-gaap_DerivativeLiabilities_2F276864CFA60E818F45DAC59CCAEB0C" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherLiabilities_F0F169F06188A7F69FCDDAC59CCA1408_terseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilities_F0F169F06188A7F69FCDDAC59CCA1408" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other liabilities</link:label>
    <link:label id="lab_us-gaap_OtherLiabilities_F0F169F06188A7F69FCDDAC59CCA1408_label_en-US" xlink:label="lab_us-gaap_OtherLiabilities_F0F169F06188A7F69FCDDAC59CCA1408" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherLiabilities" xlink:label="loc_us-gaap_OtherLiabilities_F0F169F06188A7F69FCDDAC59CCA1408" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLiabilities_F0F169F06188A7F69FCDDAC59CCA1408" xlink:to="lab_us-gaap_OtherLiabilities_F0F169F06188A7F69FCDDAC59CCA1408" xlink:type="arc" />
    <link:label id="lab_us-gaap_Liabilities_2EA8D579681A70FB8382DAC59CCAEDED_totalLabel_en-US" xlink:label="lab_us-gaap_Liabilities_2EA8D579681A70FB8382DAC59CCAEDED" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total liabilities</link:label>
    <link:label id="lab_us-gaap_Liabilities_2EA8D579681A70FB8382DAC59CCAEDED_label_en-US" xlink:label="lab_us-gaap_Liabilities_2EA8D579681A70FB8382DAC59CCAEDED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_2EA8D579681A70FB8382DAC59CCAEDED" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Liabilities_2EA8D579681A70FB8382DAC59CCAEDED" xlink:to="lab_us-gaap_Liabilities_2EA8D579681A70FB8382DAC59CCAEDED" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommitmentsAndContingencies_93349F29B63FE3029894DAC59CCAC8E4_terseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies_93349F29B63FE3029894DAC59CCAC8E4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitments and contingencies (Note 20)</link:label>
    <link:label id="lab_us-gaap_CommitmentsAndContingencies_93349F29B63FE3029894DAC59CCAC8E4_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies_93349F29B63FE3029894DAC59CCAC8E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_93349F29B63FE3029894DAC59CCAC8E4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingencies_93349F29B63FE3029894DAC59CCAC8E4" xlink:to="lab_us-gaap_CommitmentsAndContingencies_93349F29B63FE3029894DAC59CCAC8E4" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockholdersEquityAbstract_A5D45FB0F16300FE8CACDAC59CCA0384_terseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_A5D45FB0F16300FE8CACDAC59CCA0384" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital</link:label>
    <link:label id="lab_us-gaap_StockholdersEquityAbstract_A5D45FB0F16300FE8CACDAC59CCA0384_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_A5D45FB0F16300FE8CACDAC59CCA0384" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stockholders' Equity Attributable to Parent [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_A5D45FB0F16300FE8CACDAC59CCA0384" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityAbstract_A5D45FB0F16300FE8CACDAC59CCA0384" xlink:to="lab_us-gaap_StockholdersEquityAbstract_A5D45FB0F16300FE8CACDAC59CCA0384" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockOtherValueOutstanding_DC3DBC5633147E56EF3CB935BECB356A_verboseLabel_en-US" xlink:label="lab_us-gaap_CommonStockOtherValueOutstanding_DC3DBC5633147E56EF3CB935BECB356A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Capital stock, Class B, putable ($100 par value), 36,253 shares and 36,644 shares issued and outstanding at December 31, 2011 and 2010, respectively</link:label>
    <link:label id="lab_us-gaap_CommonStockOtherValueOutstanding_DC3DBC5633147E56EF3CB935BECB356A_label_en-US" xlink:label="lab_us-gaap_CommonStockOtherValueOutstanding_DC3DBC5633147E56EF3CB935BECB356A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Other Value, Outstanding</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockOtherValueOutstanding" xlink:label="loc_us-gaap_CommonStockOtherValueOutstanding_DC3DBC5633147E56EF3CB935BECB356A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockOtherValueOutstanding_DC3DBC5633147E56EF3CB935BECB356A" xlink:to="lab_us-gaap_CommonStockOtherValueOutstanding_DC3DBC5633147E56EF3CB935BECB356A" xlink:type="arc" />
    <link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficitAbstract_FEF1F9BBC84CD38B69A273CC47ED71FB_terseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficitAbstract_FEF1F9BBC84CD38B69A273CC47ED71FB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retained earnings:</link:label>
    <link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficitAbstract_FEF1F9BBC84CD38B69A273CC47ED71FB_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficitAbstract_FEF1F9BBC84CD38B69A273CC47ED71FB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained Earnings (Accumulated Deficit) [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficitAbstract" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficitAbstract_FEF1F9BBC84CD38B69A273CC47ED71FB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsAccumulatedDeficitAbstract_FEF1F9BBC84CD38B69A273CC47ED71FB" xlink:to="lab_us-gaap_RetainedEarningsAccumulatedDeficitAbstract_FEF1F9BBC84CD38B69A273CC47ED71FB" xlink:type="arc" />
    <link:label id="lab_us-gaap_RetainedEarningsUnappropriated_591225648EED4CBA50AA46AAE70739F1_terseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsUnappropriated_591225648EED4CBA50AA46AAE70739F1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrestricted</link:label>
    <link:label id="lab_us-gaap_RetainedEarningsUnappropriated_591225648EED4CBA50AA46AAE70739F1_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsUnappropriated_591225648EED4CBA50AA46AAE70739F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained Earnings, Unappropriated</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RetainedEarningsUnappropriated" xlink:label="loc_us-gaap_RetainedEarningsUnappropriated_591225648EED4CBA50AA46AAE70739F1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsUnappropriated_591225648EED4CBA50AA46AAE70739F1" xlink:to="lab_us-gaap_RetainedEarningsUnappropriated_591225648EED4CBA50AA46AAE70739F1" xlink:type="arc" />
    <link:label id="lab_us-gaap_RetainedEarningsAppropriated_CC2C92F157E1BD56A42373CD66D75EB8_terseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsAppropriated_CC2C92F157E1BD56A42373CD66D75EB8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted</link:label>
    <link:label id="lab_us-gaap_RetainedEarningsAppropriated_CC2C92F157E1BD56A42373CD66D75EB8_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsAppropriated_CC2C92F157E1BD56A42373CD66D75EB8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained Earnings, Appropriated</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RetainedEarningsAppropriated" xlink:label="loc_us-gaap_RetainedEarningsAppropriated_CC2C92F157E1BD56A42373CD66D75EB8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsAppropriated_CC2C92F157E1BD56A42373CD66D75EB8" xlink:to="lab_us-gaap_RetainedEarningsAppropriated_CC2C92F157E1BD56A42373CD66D75EB8" xlink:type="arc" />
    <link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_18D8655B19DF5BEDD808DAC59CCA4ADC_totalLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_18D8655B19DF5BEDD808DAC59CCA4ADC" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total retained earnings</link:label>
    <link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_18D8655B19DF5BEDD808DAC59CCA4ADC_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_18D8655B19DF5BEDD808DAC59CCA4ADC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained Earnings (Accumulated Deficit)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_18D8655B19DF5BEDD808DAC59CCA4ADC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsAccumulatedDeficit_18D8655B19DF5BEDD808DAC59CCA4ADC" xlink:to="lab_us-gaap_RetainedEarningsAccumulatedDeficit_18D8655B19DF5BEDD808DAC59CCA4ADC" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_F1CB66565C6A10D5A134DAC59CCA137C_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_F1CB66565C6A10D5A134DAC59CCA137C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated other comprehensive loss</link:label>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_F1CB66565C6A10D5A134DAC59CCA137C_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_F1CB66565C6A10D5A134DAC59CCA137C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_F1CB66565C6A10D5A134DAC59CCA137C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_F1CB66565C6A10D5A134DAC59CCA137C" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_F1CB66565C6A10D5A134DAC59CCA137C" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_51ADAD35ACE91F5AFA33DAC59CCADA97_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_51ADAD35ACE91F5AFA33DAC59CCADA97" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net unrealized loss on available-for-sale securities</link:label>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_51ADAD35ACE91F5AFA33DAC59CCADA97_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_51ADAD35ACE91F5AFA33DAC59CCADA97" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_51ADAD35ACE91F5AFA33DAC59CCADA97" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_51ADAD35ACE91F5AFA33DAC59CCADA97" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_51ADAD35ACE91F5AFA33DAC59CCADA97" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax_103AB3893D17F5E68F7ADAC59CCAB274_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax_103AB3893D17F5E68F7ADAC59CCAB274" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net unrealized loss relating to hedging activities</link:label>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax_103AB3893D17F5E68F7ADAC59CCAB274_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax_103AB3893D17F5E68F7ADAC59CCAB274" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax_103AB3893D17F5E68F7ADAC59CCAB274" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax_103AB3893D17F5E68F7ADAC59CCAB274" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax_103AB3893D17F5E68F7ADAC59CCAB274" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxHeldtomaturityDebtSecurities_F59D44597C96B9CDCB27DAC59CCA8969_negatedLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxHeldtomaturityDebtSecurities_F59D44597C96B9CDCB27DAC59CCA8969" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Net noncredit portion of other-than-temporary impairment losses on held-to-maturity securities</link:label>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxHeldtomaturityDebtSecurities_F59D44597C96B9CDCB27DAC59CCA8969_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxHeldtomaturityDebtSecurities_F59D44597C96B9CDCB27DAC59CCA8969" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Held-to-maturity, Debt Securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxHeldtomaturityDebtSecurities" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxHeldtomaturityDebtSecurities_F59D44597C96B9CDCB27DAC59CCA8969" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxHeldtomaturityDebtSecurities_F59D44597C96B9CDCB27DAC59CCA8969" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxHeldtomaturityDebtSecurities_F59D44597C96B9CDCB27DAC59CCA8969" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_300267B63381FD33546FDAC59CCBA6E5_negatedLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_300267B63381FD33546FDAC59CCBA6E5" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Pension and postretirement benefits</link:label>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_300267B63381FD33546FDAC59CCBA6E5_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_300267B63381FD33546FDAC59CCBA6E5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_300267B63381FD33546FDAC59CCBA6E5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_300267B63381FD33546FDAC59CCBA6E5" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_300267B63381FD33546FDAC59CCBA6E5" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_E31A701281452A68B714DAC59CCB6A81_totalLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_E31A701281452A68B714DAC59CCB6A81" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total accumulated other comprehensive loss</link:label>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_E31A701281452A68B714DAC59CCB6A81_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_E31A701281452A68B714DAC59CCB6A81" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Net of Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_E31A701281452A68B714DAC59CCB6A81" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_E31A701281452A68B714DAC59CCB6A81" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_E31A701281452A68B714DAC59CCB6A81" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockholdersEquity_28B4CE472DB3A5DA56D2DAC59CCBB6E4_totalLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_28B4CE472DB3A5DA56D2DAC59CCBB6E4" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total capital</link:label>
    <link:label id="lab_us-gaap_StockholdersEquity_28B4CE472DB3A5DA56D2DAC59CCBB6E4_label_en-US" xlink:label="lab_us-gaap_StockholdersEquity_28B4CE472DB3A5DA56D2DAC59CCBB6E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stockholders' Equity Attributable to Parent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_28B4CE472DB3A5DA56D2DAC59CCBB6E4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquity_28B4CE472DB3A5DA56D2DAC59CCBB6E4" xlink:to="lab_us-gaap_StockholdersEquity_28B4CE472DB3A5DA56D2DAC59CCBB6E4" xlink:type="arc" />
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_E067C147399F53610F44DAC59CCB0E1F_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_E067C147399F53610F44DAC59CCB0E1F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Liabilities and Capital</link:label>
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_E067C147399F53610F44DAC59CCB0E1F_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_E067C147399F53610F44DAC59CCB0E1F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities and Equity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_E067C147399F53610F44DAC59CCB0E1F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_E067C147399F53610F44DAC59CCB0E1F" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquity_E067C147399F53610F44DAC59CCB0E1F" xlink:type="arc" />
    <link:label id="lab_us-gaap_CapitalAbstract_4A4C52CFA1447EAAC1FADAC583F88368_label_en-US" xlink:label="lab_us-gaap_CapitalAbstract_4A4C52CFA1447EAAC1FADAC583F88368" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalAbstract" xlink:label="loc_us-gaap_CapitalAbstract_4A4C52CFA1447EAAC1FADAC583F88368" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalAbstract_4A4C52CFA1447EAAC1FADAC583F88368" xlink:to="lab_us-gaap_CapitalAbstract_4A4C52CFA1447EAAC1FADAC583F88368" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock_90A7D4A3D0F87EB8F6D6DAC583F854E3_terseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock_90A7D4A3D0F87EB8F6D6DAC583F854E3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stockholders' Equity Note Disclosure [Text Block]</link:label>
    <link:label id="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock_90A7D4A3D0F87EB8F6D6DAC583F854E3_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock_90A7D4A3D0F87EB8F6D6DAC583F854E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stockholders' Equity Note Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:label="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock_90A7D4A3D0F87EB8F6D6DAC583F854E3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock_90A7D4A3D0F87EB8F6D6DAC583F854E3" xlink:to="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock_90A7D4A3D0F87EB8F6D6DAC583F854E3" xlink:type="arc" />
    <link:label id="lab_fhlbbost_StatementsOfOperationsAbstract_B3C321B8EFC0E2AC9FDADAC59BC0E0AF_label_en-US" xlink:label="lab_fhlbbost_StatementsOfOperationsAbstract_B3C321B8EFC0E2AC9FDADAC59BC0E0AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statements of Operations [Abstract]</link:label>
    <link:label id="lab_fhlbbost_StatementsOfOperationsAbstract_B3C321B8EFC0E2AC9FDADAC59BC0E0AF_documentation_en-US" xlink:label="lab_fhlbbost_StatementsOfOperationsAbstract_B3C321B8EFC0E2AC9FDADAC59BC0E0AF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Statements of Operations [Abstract]</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_StatementsOfOperationsAbstract" xlink:label="loc_fhlbbost_StatementsOfOperationsAbstract_B3C321B8EFC0E2AC9FDADAC59BC0E0AF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_StatementsOfOperationsAbstract_B3C321B8EFC0E2AC9FDADAC59BC0E0AF" xlink:to="lab_fhlbbost_StatementsOfOperationsAbstract_B3C321B8EFC0E2AC9FDADAC59BC0E0AF" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestAndDividendIncomeOperatingAbstract_224237CED5D0C17DA03BDAC59BC0DBD0_terseLabel_en-US" xlink:label="lab_us-gaap_InterestAndDividendIncomeOperatingAbstract_224237CED5D0C17DA03BDAC59BC0DBD0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">INTEREST INCOME</link:label>
    <link:label id="lab_us-gaap_InterestAndDividendIncomeOperatingAbstract_224237CED5D0C17DA03BDAC59BC0DBD0_label_en-US" xlink:label="lab_us-gaap_InterestAndDividendIncomeOperatingAbstract_224237CED5D0C17DA03BDAC59BC0DBD0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest and Dividend Income, Operating [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestAndDividendIncomeOperatingAbstract" xlink:label="loc_us-gaap_InterestAndDividendIncomeOperatingAbstract_224237CED5D0C17DA03BDAC59BC0DBD0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestAndDividendIncomeOperatingAbstract_224237CED5D0C17DA03BDAC59BC0DBD0" xlink:to="lab_us-gaap_InterestAndDividendIncomeOperatingAbstract_224237CED5D0C17DA03BDAC59BC0DBD0" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestIncomeFederalHomeLoanBankAdvances_1B7AB663B55A809EEB32DAC59BC0DC6C_terseLabel_en-US" xlink:label="lab_us-gaap_InterestIncomeFederalHomeLoanBankAdvances_1B7AB663B55A809EEB32DAC59BC0DC6C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advances</link:label>
    <link:label id="lab_us-gaap_InterestIncomeFederalHomeLoanBankAdvances_1B7AB663B55A809EEB32DAC59BC0DC6C_label_en-US" xlink:label="lab_us-gaap_InterestIncomeFederalHomeLoanBankAdvances_1B7AB663B55A809EEB32DAC59BC0DC6C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Income, Federal Home Loan Bank Advances</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestIncomeFederalHomeLoanBankAdvances" xlink:label="loc_us-gaap_InterestIncomeFederalHomeLoanBankAdvances_1B7AB663B55A809EEB32DAC59BC0DC6C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestIncomeFederalHomeLoanBankAdvances_1B7AB663B55A809EEB32DAC59BC0DC6C" xlink:to="lab_us-gaap_InterestIncomeFederalHomeLoanBankAdvances_1B7AB663B55A809EEB32DAC59BC0DC6C" xlink:type="arc" />
    <link:label id="lab_us-gaap_PrepaymentFeesOnAdvancesNet_5A553506F3735BE5C8CADAC59BC006A3_terseLabel_en-US" xlink:label="lab_us-gaap_PrepaymentFeesOnAdvancesNet_5A553506F3735BE5C8CADAC59BC006A3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prepayment fees on advances, net</link:label>
    <link:label id="lab_us-gaap_PrepaymentFeesOnAdvancesNet_5A553506F3735BE5C8CADAC59BC006A3_label_en-US" xlink:label="lab_us-gaap_PrepaymentFeesOnAdvancesNet_5A553506F3735BE5C8CADAC59BC006A3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Prepayment Fees on Advances, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PrepaymentFeesOnAdvancesNet" xlink:label="loc_us-gaap_PrepaymentFeesOnAdvancesNet_5A553506F3735BE5C8CADAC59BC006A3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PrepaymentFeesOnAdvancesNet_5A553506F3735BE5C8CADAC59BC006A3" xlink:to="lab_us-gaap_PrepaymentFeesOnAdvancesNet_5A553506F3735BE5C8CADAC59BC006A3" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestIncomeDepositsWithFinancialInstitutions_560C806B97725258D54CDAC59BC0B7AF_terseLabel_en-US" xlink:label="lab_us-gaap_InterestIncomeDepositsWithFinancialInstitutions_560C806B97725258D54CDAC59BC0B7AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest-bearing deposits</link:label>
    <link:label id="lab_us-gaap_InterestIncomeDepositsWithFinancialInstitutions_560C806B97725258D54CDAC59BC0B7AF_label_en-US" xlink:label="lab_us-gaap_InterestIncomeDepositsWithFinancialInstitutions_560C806B97725258D54CDAC59BC0B7AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Income, Deposits with Financial Institutions</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestIncomeDepositsWithFinancialInstitutions" xlink:label="loc_us-gaap_InterestIncomeDepositsWithFinancialInstitutions_560C806B97725258D54CDAC59BC0B7AF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestIncomeDepositsWithFinancialInstitutions_560C806B97725258D54CDAC59BC0B7AF" xlink:to="lab_us-gaap_InterestIncomeDepositsWithFinancialInstitutions_560C806B97725258D54CDAC59BC0B7AF" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestIncomeSecuritiesPurchasedUnderAgreementsToResell_5C59AF3962F6CC64EDE2DAC59BC09CA0_terseLabel_en-US" xlink:label="lab_us-gaap_InterestIncomeSecuritiesPurchasedUnderAgreementsToResell_5C59AF3962F6CC64EDE2DAC59BC09CA0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Securities purchased under agreements to resell</link:label>
    <link:label id="lab_us-gaap_InterestIncomeSecuritiesPurchasedUnderAgreementsToResell_5C59AF3962F6CC64EDE2DAC59BC09CA0_label_en-US" xlink:label="lab_us-gaap_InterestIncomeSecuritiesPurchasedUnderAgreementsToResell_5C59AF3962F6CC64EDE2DAC59BC09CA0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Income, Securities Purchased under Agreements to Resell</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestIncomeSecuritiesPurchasedUnderAgreementsToResell" xlink:label="loc_us-gaap_InterestIncomeSecuritiesPurchasedUnderAgreementsToResell_5C59AF3962F6CC64EDE2DAC59BC09CA0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestIncomeSecuritiesPurchasedUnderAgreementsToResell_5C59AF3962F6CC64EDE2DAC59BC09CA0" xlink:to="lab_us-gaap_InterestIncomeSecuritiesPurchasedUnderAgreementsToResell_5C59AF3962F6CC64EDE2DAC59BC09CA0" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestIncomeFederalFundsSold_38E6F3FC7A6684A137ACDAC59BC0773A_terseLabel_en-US" xlink:label="lab_us-gaap_InterestIncomeFederalFundsSold_38E6F3FC7A6684A137ACDAC59BC0773A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Federal funds sold</link:label>
    <link:label id="lab_us-gaap_InterestIncomeFederalFundsSold_38E6F3FC7A6684A137ACDAC59BC0773A_label_en-US" xlink:label="lab_us-gaap_InterestIncomeFederalFundsSold_38E6F3FC7A6684A137ACDAC59BC0773A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Income, Federal Funds Sold</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestIncomeFederalFundsSold" xlink:label="loc_us-gaap_InterestIncomeFederalFundsSold_38E6F3FC7A6684A137ACDAC59BC0773A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestIncomeFederalFundsSold_38E6F3FC7A6684A137ACDAC59BC0773A" xlink:to="lab_us-gaap_InterestIncomeFederalFundsSold_38E6F3FC7A6684A137ACDAC59BC0773A" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue_B239F07E3FE75B34E3E0DAC59BC0EDA0_terseLabel_en-US" xlink:label="lab_us-gaap_InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue_B239F07E3FE75B34E3E0DAC59BC0EDA0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trading securities</link:label>
    <link:label id="lab_us-gaap_InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue_B239F07E3FE75B34E3E0DAC59BC0EDA0_label_en-US" xlink:label="lab_us-gaap_InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue_B239F07E3FE75B34E3E0DAC59BC0EDA0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest and Dividend Income, Securities, Trading or Measured at Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue" xlink:label="loc_us-gaap_InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue_B239F07E3FE75B34E3E0DAC59BC0EDA0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue_B239F07E3FE75B34E3E0DAC59BC0EDA0" xlink:to="lab_us-gaap_InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue_B239F07E3FE75B34E3E0DAC59BC0EDA0" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestAndDividendIncomeSecuritiesAvailableForSale_62421443DBF966B59E7ADAC59BC07E2A_terseLabel_en-US" xlink:label="lab_us-gaap_InterestAndDividendIncomeSecuritiesAvailableForSale_62421443DBF966B59E7ADAC59BC07E2A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Available-for-sale securities</link:label>
    <link:label id="lab_us-gaap_InterestAndDividendIncomeSecuritiesAvailableForSale_62421443DBF966B59E7ADAC59BC07E2A_label_en-US" xlink:label="lab_us-gaap_InterestAndDividendIncomeSecuritiesAvailableForSale_62421443DBF966B59E7ADAC59BC07E2A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest and Dividend Income, Securities, Available-for-sale</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestAndDividendIncomeSecuritiesAvailableForSale" xlink:label="loc_us-gaap_InterestAndDividendIncomeSecuritiesAvailableForSale_62421443DBF966B59E7ADAC59BC07E2A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestAndDividendIncomeSecuritiesAvailableForSale_62421443DBF966B59E7ADAC59BC07E2A" xlink:to="lab_us-gaap_InterestAndDividendIncomeSecuritiesAvailableForSale_62421443DBF966B59E7ADAC59BC07E2A" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestAndDividendIncomeSecuritiesHeldToMaturity_B653F38DDEB6EF287241DAC59BC13605_terseLabel_en-US" xlink:label="lab_us-gaap_InterestAndDividendIncomeSecuritiesHeldToMaturity_B653F38DDEB6EF287241DAC59BC13605" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Held-to-maturity securities</link:label>
    <link:label id="lab_us-gaap_InterestAndDividendIncomeSecuritiesHeldToMaturity_B653F38DDEB6EF287241DAC59BC13605_label_en-US" xlink:label="lab_us-gaap_InterestAndDividendIncomeSecuritiesHeldToMaturity_B653F38DDEB6EF287241DAC59BC13605" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest and Dividend Income, Securities, Held-to-maturity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestAndDividendIncomeSecuritiesHeldToMaturity" xlink:label="loc_us-gaap_InterestAndDividendIncomeSecuritiesHeldToMaturity_B653F38DDEB6EF287241DAC59BC13605" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestAndDividendIncomeSecuritiesHeldToMaturity_B653F38DDEB6EF287241DAC59BC13605" xlink:to="lab_us-gaap_InterestAndDividendIncomeSecuritiesHeldToMaturity_B653F38DDEB6EF287241DAC59BC13605" xlink:type="arc" />
    <link:label id="lab_fhlbbost_PrepaymentFeesOnInvestments_6AFC5B10FBFAB7C6D4ACDAC59BC1146F_terseLabel_en-US" xlink:label="lab_fhlbbost_PrepaymentFeesOnInvestments_6AFC5B10FBFAB7C6D4ACDAC59BC1146F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prepayment fees on investments</link:label>
    <link:label id="lab_fhlbbost_PrepaymentFeesOnInvestments_6AFC5B10FBFAB7C6D4ACDAC59BC1146F_label_en-US" xlink:label="lab_fhlbbost_PrepaymentFeesOnInvestments_6AFC5B10FBFAB7C6D4ACDAC59BC1146F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Prepayment fees on investments</link:label>
    <link:label id="lab_fhlbbost_PrepaymentFeesOnInvestments_6AFC5B10FBFAB7C6D4ACDAC59BC1146F_documentation_en-US" xlink:label="lab_fhlbbost_PrepaymentFeesOnInvestments_6AFC5B10FBFAB7C6D4ACDAC59BC1146F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fees charged in connection with prepayment of certain investments before the original maturity.</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_PrepaymentFeesOnInvestments" xlink:label="loc_fhlbbost_PrepaymentFeesOnInvestments_6AFC5B10FBFAB7C6D4ACDAC59BC1146F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_PrepaymentFeesOnInvestments_6AFC5B10FBFAB7C6D4ACDAC59BC1146F" xlink:to="lab_fhlbbost_PrepaymentFeesOnInvestments_6AFC5B10FBFAB7C6D4ACDAC59BC1146F" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestAndFeeIncomeLoansConsumerRealEstate_6DA6F386D9DACD505C96DAC59BC167E9_terseLabel_en-US" xlink:label="lab_us-gaap_InterestAndFeeIncomeLoansConsumerRealEstate_6DA6F386D9DACD505C96DAC59BC167E9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage loans held for portfolio</link:label>
    <link:label id="lab_us-gaap_InterestAndFeeIncomeLoansConsumerRealEstate_6DA6F386D9DACD505C96DAC59BC167E9_label_en-US" xlink:label="lab_us-gaap_InterestAndFeeIncomeLoansConsumerRealEstate_6DA6F386D9DACD505C96DAC59BC167E9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest and Fee Income, Loans, Consumer, Real Estate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestAndFeeIncomeLoansConsumerRealEstate" xlink:label="loc_us-gaap_InterestAndFeeIncomeLoansConsumerRealEstate_6DA6F386D9DACD505C96DAC59BC167E9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestAndFeeIncomeLoansConsumerRealEstate_6DA6F386D9DACD505C96DAC59BC167E9" xlink:to="lab_us-gaap_InterestAndFeeIncomeLoansConsumerRealEstate_6DA6F386D9DACD505C96DAC59BC167E9" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherInterestAndDividendIncome_8D60A1F98B801D80E9D9DAC59BC1BDAD_terseLabel_en-US" xlink:label="lab_us-gaap_OtherInterestAndDividendIncome_8D60A1F98B801D80E9D9DAC59BC1BDAD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_us-gaap_OtherInterestAndDividendIncome_8D60A1F98B801D80E9D9DAC59BC1BDAD_label_en-US" xlink:label="lab_us-gaap_OtherInterestAndDividendIncome_8D60A1F98B801D80E9D9DAC59BC1BDAD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Interest and Dividend Income</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherInterestAndDividendIncome" xlink:label="loc_us-gaap_OtherInterestAndDividendIncome_8D60A1F98B801D80E9D9DAC59BC1BDAD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherInterestAndDividendIncome_8D60A1F98B801D80E9D9DAC59BC1BDAD" xlink:to="lab_us-gaap_OtherInterestAndDividendIncome_8D60A1F98B801D80E9D9DAC59BC1BDAD" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestAndDividendIncomeOperating_F8A154EFF787AFC68839DAC59BC10C16_totalLabel_en-US" xlink:label="lab_us-gaap_InterestAndDividendIncomeOperating_F8A154EFF787AFC68839DAC59BC10C16" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total interest income</link:label>
    <link:label id="lab_us-gaap_InterestAndDividendIncomeOperating_F8A154EFF787AFC68839DAC59BC10C16_label_en-US" xlink:label="lab_us-gaap_InterestAndDividendIncomeOperating_F8A154EFF787AFC68839DAC59BC10C16" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest and Dividend Income, Operating</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestAndDividendIncomeOperating" xlink:label="loc_us-gaap_InterestAndDividendIncomeOperating_F8A154EFF787AFC68839DAC59BC10C16" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestAndDividendIncomeOperating_F8A154EFF787AFC68839DAC59BC10C16" xlink:to="lab_us-gaap_InterestAndDividendIncomeOperating_F8A154EFF787AFC68839DAC59BC10C16" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestExpenseAbstract_DF4A8410E631F7D6F3D6DAC59BC1E646_terseLabel_en-US" xlink:label="lab_us-gaap_InterestExpenseAbstract_DF4A8410E631F7D6F3D6DAC59BC1E646" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">INTEREST EXPENSE</link:label>
    <link:label id="lab_us-gaap_InterestExpenseAbstract_DF4A8410E631F7D6F3D6DAC59BC1E646_label_en-US" xlink:label="lab_us-gaap_InterestExpenseAbstract_DF4A8410E631F7D6F3D6DAC59BC1E646" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpenseAbstract" xlink:label="loc_us-gaap_InterestExpenseAbstract_DF4A8410E631F7D6F3D6DAC59BC1E646" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpenseAbstract_DF4A8410E631F7D6F3D6DAC59BC1E646" xlink:to="lab_us-gaap_InterestExpenseAbstract_DF4A8410E631F7D6F3D6DAC59BC1E646" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestExpenseOtherLongTermDebt_331F23100E78DC7B3895BD1BD3114241_terseLabel_en-US" xlink:label="lab_us-gaap_InterestExpenseOtherLongTermDebt_331F23100E78DC7B3895BD1BD3114241" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consolidated obligations - bonds</link:label>
    <link:label id="lab_us-gaap_InterestExpenseOtherLongTermDebt_331F23100E78DC7B3895BD1BD3114241_label_en-US" xlink:label="lab_us-gaap_InterestExpenseOtherLongTermDebt_331F23100E78DC7B3895BD1BD3114241" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense, Other Long-term Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpenseOtherLongTermDebt" xlink:label="loc_us-gaap_InterestExpenseOtherLongTermDebt_331F23100E78DC7B3895BD1BD3114241" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpenseOtherLongTermDebt_331F23100E78DC7B3895BD1BD3114241" xlink:to="lab_us-gaap_InterestExpenseOtherLongTermDebt_331F23100E78DC7B3895BD1BD3114241" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestExpenseOtherShortTermBorrowings_A564ED7BDCD8FBE1C902DAC59BC1B655_terseLabel_en-US" xlink:label="lab_us-gaap_InterestExpenseOtherShortTermBorrowings_A564ED7BDCD8FBE1C902DAC59BC1B655" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consolidated obligations - discount notes</link:label>
    <link:label id="lab_us-gaap_InterestExpenseOtherShortTermBorrowings_A564ED7BDCD8FBE1C902DAC59BC1B655_label_en-US" xlink:label="lab_us-gaap_InterestExpenseOtherShortTermBorrowings_A564ED7BDCD8FBE1C902DAC59BC1B655" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense, Other Short-term Borrowings</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpenseOtherShortTermBorrowings" xlink:label="loc_us-gaap_InterestExpenseOtherShortTermBorrowings_A564ED7BDCD8FBE1C902DAC59BC1B655" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpenseOtherShortTermBorrowings_A564ED7BDCD8FBE1C902DAC59BC1B655" xlink:to="lab_us-gaap_InterestExpenseOtherShortTermBorrowings_A564ED7BDCD8FBE1C902DAC59BC1B655" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestExpenseDeposits_04AC2B0776345F45E7B9DAC59BC1278D_terseLabel_en-US" xlink:label="lab_us-gaap_InterestExpenseDeposits_04AC2B0776345F45E7B9DAC59BC1278D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deposits</link:label>
    <link:label id="lab_us-gaap_InterestExpenseDeposits_04AC2B0776345F45E7B9DAC59BC1278D_label_en-US" xlink:label="lab_us-gaap_InterestExpenseDeposits_04AC2B0776345F45E7B9DAC59BC1278D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense, Deposits</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpenseDeposits" xlink:label="loc_us-gaap_InterestExpenseDeposits_04AC2B0776345F45E7B9DAC59BC1278D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpenseDeposits_04AC2B0776345F45E7B9DAC59BC1278D" xlink:to="lab_us-gaap_InterestExpenseDeposits_04AC2B0776345F45E7B9DAC59BC1278D" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestExpenseCapitalSecurities_DC455C7DD294AD29829150F6588C222A_terseLabel_en-US" xlink:label="lab_us-gaap_InterestExpenseCapitalSecurities_DC455C7DD294AD29829150F6588C222A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mandatorily redeemable capital stock</link:label>
    <link:label id="lab_us-gaap_InterestExpenseCapitalSecurities_DC455C7DD294AD29829150F6588C222A_label_en-US" xlink:label="lab_us-gaap_InterestExpenseCapitalSecurities_DC455C7DD294AD29829150F6588C222A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense, Capital Securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpenseCapitalSecurities" xlink:label="loc_us-gaap_InterestExpenseCapitalSecurities_DC455C7DD294AD29829150F6588C222A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpenseCapitalSecurities_DC455C7DD294AD29829150F6588C222A" xlink:to="lab_us-gaap_InterestExpenseCapitalSecurities_DC455C7DD294AD29829150F6588C222A" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestExpenseOther_CB01586FF1DAA94E696ADAC59BC12751_terseLabel_en-US" xlink:label="lab_us-gaap_InterestExpenseOther_CB01586FF1DAA94E696ADAC59BC12751" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other borrowings</link:label>
    <link:label id="lab_us-gaap_InterestExpenseOther_CB01586FF1DAA94E696ADAC59BC12751_label_en-US" xlink:label="lab_us-gaap_InterestExpenseOther_CB01586FF1DAA94E696ADAC59BC12751" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense, Other</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpenseOther" xlink:label="loc_us-gaap_InterestExpenseOther_CB01586FF1DAA94E696ADAC59BC12751" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpenseOther_CB01586FF1DAA94E696ADAC59BC12751" xlink:to="lab_us-gaap_InterestExpenseOther_CB01586FF1DAA94E696ADAC59BC12751" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestExpense_7DD526AD82F3248464F4DAC59BC1B2AF_totalLabel_en-US" xlink:label="lab_us-gaap_InterestExpense_7DD526AD82F3248464F4DAC59BC1B2AF" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total interest expense</link:label>
    <link:label id="lab_us-gaap_InterestExpense_7DD526AD82F3248464F4DAC59BC1B2AF_label_en-US" xlink:label="lab_us-gaap_InterestExpense_7DD526AD82F3248464F4DAC59BC1B2AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_7DD526AD82F3248464F4DAC59BC1B2AF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpense_7DD526AD82F3248464F4DAC59BC1B2AF" xlink:to="lab_us-gaap_InterestExpense_7DD526AD82F3248464F4DAC59BC1B2AF" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestIncomeExpenseNet_8A4782E852A3EA135B69DAC59BC12977_totalLabel_en-US" xlink:label="lab_us-gaap_InterestIncomeExpenseNet_8A4782E852A3EA135B69DAC59BC12977" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">NET INTEREST INCOME</link:label>
    <link:label id="lab_us-gaap_InterestIncomeExpenseNet_8A4782E852A3EA135B69DAC59BC12977_label_en-US" xlink:label="lab_us-gaap_InterestIncomeExpenseNet_8A4782E852A3EA135B69DAC59BC12977" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Income (Expense), Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestIncomeExpenseNet" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_8A4782E852A3EA135B69DAC59BC12977" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestIncomeExpenseNet_8A4782E852A3EA135B69DAC59BC12977" xlink:to="lab_us-gaap_InterestIncomeExpenseNet_8A4782E852A3EA135B69DAC59BC12977" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_7C39AD28651D858A8ABCDAC59BC1382D_totalLabel_en-US" xlink:label="lab_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_7C39AD28651D858A8ABCDAC59BC1382D" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">NET INTEREST INCOME AFTER (REDUCTION OF) PROVISION FOR CREDIT LOSSES</link:label>
    <link:label id="lab_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_7C39AD28651D858A8ABCDAC59BC1382D_label_en-US" xlink:label="lab_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_7C39AD28651D858A8ABCDAC59BC1382D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Income (Expense), after Provision for Loan Loss</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss" xlink:label="loc_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_7C39AD28651D858A8ABCDAC59BC1382D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_7C39AD28651D858A8ABCDAC59BC1382D" xlink:to="lab_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_7C39AD28651D858A8ABCDAC59BC1382D" xlink:type="arc" />
    <link:label id="lab_us-gaap_NoninterestIncomeAbstract_FE81FF9A765880B5AD61DAC59BC299AB_terseLabel_en-US" xlink:label="lab_us-gaap_NoninterestIncomeAbstract_FE81FF9A765880B5AD61DAC59BC299AB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">OTHER INCOME (LOSS)</link:label>
    <link:label id="lab_us-gaap_NoninterestIncomeAbstract_FE81FF9A765880B5AD61DAC59BC299AB_label_en-US" xlink:label="lab_us-gaap_NoninterestIncomeAbstract_FE81FF9A765880B5AD61DAC59BC299AB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noninterest Income [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NoninterestIncomeAbstract" xlink:label="loc_us-gaap_NoninterestIncomeAbstract_FE81FF9A765880B5AD61DAC59BC299AB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NoninterestIncomeAbstract_FE81FF9A765880B5AD61DAC59BC299AB" xlink:to="lab_us-gaap_NoninterestIncomeAbstract_FE81FF9A765880B5AD61DAC59BC299AB" xlink:type="arc" />
    <link:label id="lab_us-gaap_ImpairmentOfInvestments_EF6B5F71AF76995BD57EDAC59BC224BA_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_ImpairmentOfInvestments_EF6B5F71AF76995BD57EDAC59BC224BA" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Total other-than-temporary impairment losses on investment securities</link:label>
    <link:label id="lab_us-gaap_ImpairmentOfInvestments_EF6B5F71AF76995BD57EDAC59BC224BA_label_en-US" xlink:label="lab_us-gaap_ImpairmentOfInvestments_EF6B5F71AF76995BD57EDAC59BC224BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other than Temporary Impairment Losses, Investments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ImpairmentOfInvestments" xlink:label="loc_us-gaap_ImpairmentOfInvestments_EF6B5F71AF76995BD57EDAC59BC224BA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ImpairmentOfInvestments_EF6B5F71AF76995BD57EDAC59BC224BA" xlink:to="lab_us-gaap_ImpairmentOfInvestments_EF6B5F71AF76995BD57EDAC59BC224BA" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_3A8B9052BBF5A445D55950FB94BCFE09_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_3A8B9052BBF5A445D55950FB94BCFE09" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Net amount of impairment losses reclassified (from) to accumulated other comprehensive loss</link:label>
    <link:label id="lab_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_3A8B9052BBF5A445D55950FB94BCFE09_label_en-US" xlink:label="lab_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_3A8B9052BBF5A445D55950FB94BCFE09" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other than Temporary Impairment Losses, Investments, Portion in Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_3A8B9052BBF5A445D55950FB94BCFE09" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_3A8B9052BBF5A445D55950FB94BCFE09" xlink:to="lab_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_3A8B9052BBF5A445D55950FB94BCFE09" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet_BA8F996676090D08A8A850FCB0AAFD22_negatedTotalLabel_en-US" xlink:label="lab_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet_BA8F996676090D08A8A850FCB0AAFD22" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Net other-than-temporary impairment losses on investment securities, credit portion</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet" xlink:label="loc_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet_BA8F996676090D08A8A850FCB0AAFD22" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet_BA8F996676090D08A8A850FCB0AAFD22" xlink:to="lab_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet_BA8F996676090D08A8A850FCB0AAFD22" xlink:type="arc" />
    <link:label id="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_C383B08A0BB11C836BFECDF338F66B6E_terseLabel_en-US" xlink:label="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_C383B08A0BB11C836BFECDF338F66B6E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loss on early extinguishment of debt</link:label>
    <link:label id="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_C383B08A0BB11C836BFECDF338F66B6E_label_en-US" xlink:label="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_C383B08A0BB11C836BFECDF338F66B6E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (Losses) on Extinguishment of Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_C383B08A0BB11C836BFECDF338F66B6E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_C383B08A0BB11C836BFECDF338F66B6E" xlink:to="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_C383B08A0BB11C836BFECDF338F66B6E" xlink:type="arc" />
    <link:label id="lab_us-gaap_FeesAndCommissionsCorrespondentClearing_50C5FA73E78AF8383C9FDAC59BC2C938_terseLabel_en-US" xlink:label="lab_us-gaap_FeesAndCommissionsCorrespondentClearing_50C5FA73E78AF8383C9FDAC59BC2C938" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Service fees</link:label>
    <link:label id="lab_us-gaap_FeesAndCommissionsCorrespondentClearing_50C5FA73E78AF8383C9FDAC59BC2C938_label_en-US" xlink:label="lab_us-gaap_FeesAndCommissionsCorrespondentClearing_50C5FA73E78AF8383C9FDAC59BC2C938" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fees and Commissions, Correspondent Clearing</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FeesAndCommissionsCorrespondentClearing" xlink:label="loc_us-gaap_FeesAndCommissionsCorrespondentClearing_50C5FA73E78AF8383C9FDAC59BC2C938" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FeesAndCommissionsCorrespondentClearing_50C5FA73E78AF8383C9FDAC59BC2C938" xlink:to="lab_us-gaap_FeesAndCommissionsCorrespondentClearing_50C5FA73E78AF8383C9FDAC59BC2C938" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecurities_41EA063BA8B47CA7B0FEDAC59BC2E770_terseLabel_en-US" xlink:label="lab_us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecurities_41EA063BA8B47CA7B0FEDAC59BC2E770" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net unrealized gains (losses) on trading securities</link:label>
    <link:label id="lab_us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecurities_41EA063BA8B47CA7B0FEDAC59BC2E770_label_en-US" xlink:label="lab_us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecurities_41EA063BA8B47CA7B0FEDAC59BC2E770" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Realized and Unrealized Gain (Loss) on Trading Securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecurities" xlink:label="loc_us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecurities_41EA063BA8B47CA7B0FEDAC59BC2E770" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecurities_41EA063BA8B47CA7B0FEDAC59BC2E770" xlink:to="lab_us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecurities_41EA063BA8B47CA7B0FEDAC59BC2E770" xlink:type="arc" />
    <link:label id="lab_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_0FF4A0971D736C5F3B4FDAC59BC2884A_terseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_0FF4A0971D736C5F3B4FDAC59BC2884A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net (losses) gains on derivatives and hedging activities</link:label>
    <link:label id="lab_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_0FF4A0971D736C5F3B4FDAC59BC2884A_label_en-US" xlink:label="lab_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_0FF4A0971D736C5F3B4FDAC59BC2884A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (Loss) on Derivative Instruments, Net, Pretax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainLossOnDerivativeInstrumentsNetPretax" xlink:label="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_0FF4A0971D736C5F3B4FDAC59BC2884A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_0FF4A0971D736C5F3B4FDAC59BC2884A" xlink:to="lab_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_0FF4A0971D736C5F3B4FDAC59BC2884A" xlink:type="arc" />
    <link:label id="lab_us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments_51D72E0E6D64193CBF1EBD2C7747A4F4_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments_51D72E0E6D64193CBF1EBD2C7747A4F4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Realized net gain from sale of available-for-sale securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments" xlink:label="loc_us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments_51D72E0E6D64193CBF1EBD2C7747A4F4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments_51D72E0E6D64193CBF1EBD2C7747A4F4" xlink:to="lab_us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments_51D72E0E6D64193CBF1EBD2C7747A4F4" xlink:type="arc" />
    <link:label id="lab_us-gaap_HeldtomaturitySecuritiesSoldSecurityRealizedGainLossExcludingOtherThanTemporaryImpairments_92B79905299F9414F168CDF4411DEB75_terseLabel_en-US" xlink:label="lab_us-gaap_HeldtomaturitySecuritiesSoldSecurityRealizedGainLossExcludingOtherThanTemporaryImpairments_92B79905299F9414F168CDF4411DEB75" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Realized gain from sale of held-to-maturity securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HeldtomaturitySecuritiesSoldSecurityRealizedGainLossExcludingOtherThanTemporaryImpairments" xlink:label="loc_us-gaap_HeldtomaturitySecuritiesSoldSecurityRealizedGainLossExcludingOtherThanTemporaryImpairments_92B79905299F9414F168CDF4411DEB75" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_HeldtomaturitySecuritiesSoldSecurityRealizedGainLossExcludingOtherThanTemporaryImpairments_92B79905299F9414F168CDF4411DEB75" xlink:to="lab_us-gaap_HeldtomaturitySecuritiesSoldSecurityRealizedGainLossExcludingOtherThanTemporaryImpairments_92B79905299F9414F168CDF4411DEB75" xlink:type="arc" />
    <link:label id="lab_us-gaap_NoninterestIncomeOtherOperatingIncome_8DDE1242A0A1E703C8A6DAC59BC2A99D_terseLabel_en-US" xlink:label="lab_us-gaap_NoninterestIncomeOtherOperatingIncome_8DDE1242A0A1E703C8A6DAC59BC2A99D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_us-gaap_NoninterestIncomeOtherOperatingIncome_8DDE1242A0A1E703C8A6DAC59BC2A99D_label_en-US" xlink:label="lab_us-gaap_NoninterestIncomeOtherOperatingIncome_8DDE1242A0A1E703C8A6DAC59BC2A99D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noninterest Income, Other Operating Income</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NoninterestIncomeOtherOperatingIncome" xlink:label="loc_us-gaap_NoninterestIncomeOtherOperatingIncome_8DDE1242A0A1E703C8A6DAC59BC2A99D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NoninterestIncomeOtherOperatingIncome_8DDE1242A0A1E703C8A6DAC59BC2A99D" xlink:to="lab_us-gaap_NoninterestIncomeOtherOperatingIncome_8DDE1242A0A1E703C8A6DAC59BC2A99D" xlink:type="arc" />
    <link:label id="lab_us-gaap_NoninterestIncome_38AC52343122BABD3759DAC59BC24F1C_totalLabel_en-US" xlink:label="lab_us-gaap_NoninterestIncome_38AC52343122BABD3759DAC59BC24F1C" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total other loss</link:label>
    <link:label id="lab_us-gaap_NoninterestIncome_38AC52343122BABD3759DAC59BC24F1C_label_en-US" xlink:label="lab_us-gaap_NoninterestIncome_38AC52343122BABD3759DAC59BC24F1C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noninterest Income</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NoninterestIncome" xlink:label="loc_us-gaap_NoninterestIncome_38AC52343122BABD3759DAC59BC24F1C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NoninterestIncome_38AC52343122BABD3759DAC59BC24F1C" xlink:to="lab_us-gaap_NoninterestIncome_38AC52343122BABD3759DAC59BC24F1C" xlink:type="arc" />
    <link:label id="lab_us-gaap_NoninterestExpenseAbstract_623FE2FDCFCB51814056DAC59BC278DD_terseLabel_en-US" xlink:label="lab_us-gaap_NoninterestExpenseAbstract_623FE2FDCFCB51814056DAC59BC278DD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">OTHER EXPENSE</link:label>
    <link:label id="lab_us-gaap_NoninterestExpenseAbstract_623FE2FDCFCB51814056DAC59BC278DD_label_en-US" xlink:label="lab_us-gaap_NoninterestExpenseAbstract_623FE2FDCFCB51814056DAC59BC278DD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noninterest Expense [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NoninterestExpenseAbstract" xlink:label="loc_us-gaap_NoninterestExpenseAbstract_623FE2FDCFCB51814056DAC59BC278DD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NoninterestExpenseAbstract_623FE2FDCFCB51814056DAC59BC278DD" xlink:to="lab_us-gaap_NoninterestExpenseAbstract_623FE2FDCFCB51814056DAC59BC278DD" xlink:type="arc" />
    <link:label id="lab_us-gaap_LaborAndRelatedExpense_8757C5F9FE60C4AFFCE25102BD7682D1_terseLabel_en-US" xlink:label="lab_us-gaap_LaborAndRelatedExpense_8757C5F9FE60C4AFFCE25102BD7682D1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Compensation and benefits</link:label>
    <link:label id="lab_us-gaap_LaborAndRelatedExpense_8757C5F9FE60C4AFFCE25102BD7682D1_label_en-US" xlink:label="lab_us-gaap_LaborAndRelatedExpense_8757C5F9FE60C4AFFCE25102BD7682D1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Labor and Related Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LaborAndRelatedExpense" xlink:label="loc_us-gaap_LaborAndRelatedExpense_8757C5F9FE60C4AFFCE25102BD7682D1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LaborAndRelatedExpense_8757C5F9FE60C4AFFCE25102BD7682D1" xlink:to="lab_us-gaap_LaborAndRelatedExpense_8757C5F9FE60C4AFFCE25102BD7682D1" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherCostAndExpenseOperating_9427E5D14B1F1DF7AE2E5103024F45F1_terseLabel_en-US" xlink:label="lab_us-gaap_OtherCostAndExpenseOperating_9427E5D14B1F1DF7AE2E5103024F45F1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other operating expenses</link:label>
    <link:label id="lab_us-gaap_OtherCostAndExpenseOperating_9427E5D14B1F1DF7AE2E5103024F45F1_label_en-US" xlink:label="lab_us-gaap_OtherCostAndExpenseOperating_9427E5D14B1F1DF7AE2E5103024F45F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Cost and Expense, Operating</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherCostAndExpenseOperating" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_9427E5D14B1F1DF7AE2E5103024F45F1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherCostAndExpenseOperating_9427E5D14B1F1DF7AE2E5103024F45F1" xlink:to="lab_us-gaap_OtherCostAndExpenseOperating_9427E5D14B1F1DF7AE2E5103024F45F1" xlink:type="arc" />
    <link:label id="lab_us-gaap_RegulatorExpensesCostAssessedOnFederalHomeLoanBank_19BB1033931D442870DBDAC59BC26716_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatorExpensesCostAssessedOnFederalHomeLoanBank_19BB1033931D442870DBDAC59BC26716" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Federal Housing Finance Agency</link:label>
    <link:label id="lab_us-gaap_RegulatorExpensesCostAssessedOnFederalHomeLoanBank_19BB1033931D442870DBDAC59BC26716_label_en-US" xlink:label="lab_us-gaap_RegulatorExpensesCostAssessedOnFederalHomeLoanBank_19BB1033931D442870DBDAC59BC26716" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Regulator Expenses, Cost Assessed on Federal Home Loan Bank</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RegulatorExpensesCostAssessedOnFederalHomeLoanBank" xlink:label="loc_us-gaap_RegulatorExpensesCostAssessedOnFederalHomeLoanBank_19BB1033931D442870DBDAC59BC26716" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RegulatorExpensesCostAssessedOnFederalHomeLoanBank_19BB1033931D442870DBDAC59BC26716" xlink:to="lab_us-gaap_RegulatorExpensesCostAssessedOnFederalHomeLoanBank_19BB1033931D442870DBDAC59BC26716" xlink:type="arc" />
    <link:label id="lab_us-gaap_OfficeOfFinanceAssessmentsCostAssessedOnFederalHomeLoanBank_CAD7365AFB127B3C547C5103FB73B17E_terseLabel_en-US" xlink:label="lab_us-gaap_OfficeOfFinanceAssessmentsCostAssessedOnFederalHomeLoanBank_CAD7365AFB127B3C547C5103FB73B17E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Office of Finance</link:label>
    <link:label id="lab_us-gaap_OfficeOfFinanceAssessmentsCostAssessedOnFederalHomeLoanBank_CAD7365AFB127B3C547C5103FB73B17E_label_en-US" xlink:label="lab_us-gaap_OfficeOfFinanceAssessmentsCostAssessedOnFederalHomeLoanBank_CAD7365AFB127B3C547C5103FB73B17E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Office of Finance, Cost Assessed on Federal Home Loan Bank</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OfficeOfFinanceAssessmentsCostAssessedOnFederalHomeLoanBank" xlink:label="loc_us-gaap_OfficeOfFinanceAssessmentsCostAssessedOnFederalHomeLoanBank_CAD7365AFB127B3C547C5103FB73B17E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OfficeOfFinanceAssessmentsCostAssessedOnFederalHomeLoanBank_CAD7365AFB127B3C547C5103FB73B17E" xlink:to="lab_us-gaap_OfficeOfFinanceAssessmentsCostAssessedOnFederalHomeLoanBank_CAD7365AFB127B3C547C5103FB73B17E" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherNoninterestExpense_5E4924A897EC7D9ABE31DAC59BC2C327_terseLabel_en-US" xlink:label="lab_us-gaap_OtherNoninterestExpense_5E4924A897EC7D9ABE31DAC59BC2C327" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_us-gaap_OtherNoninterestExpense_5E4924A897EC7D9ABE31DAC59BC2C327_label_en-US" xlink:label="lab_us-gaap_OtherNoninterestExpense_5E4924A897EC7D9ABE31DAC59BC2C327" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Noninterest Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherNoninterestExpense" xlink:label="loc_us-gaap_OtherNoninterestExpense_5E4924A897EC7D9ABE31DAC59BC2C327" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherNoninterestExpense_5E4924A897EC7D9ABE31DAC59BC2C327" xlink:to="lab_us-gaap_OtherNoninterestExpense_5E4924A897EC7D9ABE31DAC59BC2C327" xlink:type="arc" />
    <link:label id="lab_us-gaap_NoninterestExpense_F8E3997E00D85E5D6A4EDAC59BC24939_totalLabel_en-US" xlink:label="lab_us-gaap_NoninterestExpense_F8E3997E00D85E5D6A4EDAC59BC24939" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total other expense</link:label>
    <link:label id="lab_us-gaap_NoninterestExpense_F8E3997E00D85E5D6A4EDAC59BC24939_label_en-US" xlink:label="lab_us-gaap_NoninterestExpense_F8E3997E00D85E5D6A4EDAC59BC24939" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noninterest Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NoninterestExpense" xlink:label="loc_us-gaap_NoninterestExpense_F8E3997E00D85E5D6A4EDAC59BC24939" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NoninterestExpense_F8E3997E00D85E5D6A4EDAC59BC24939" xlink:to="lab_us-gaap_NoninterestExpense_F8E3997E00D85E5D6A4EDAC59BC24939" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_9DB9D73802CB07B5AAF8518D57E00902_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_9DB9D73802CB07B5AAF8518D57E00902" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">INCOME (LOSS) BEFORE ASSESSMENTS</link:label>
    <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_9DB9D73802CB07B5AAF8518D57E00902_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_9DB9D73802CB07B5AAF8518D57E00902" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_9DB9D73802CB07B5AAF8518D57E00902" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_9DB9D73802CB07B5AAF8518D57E00902" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_9DB9D73802CB07B5AAF8518D57E00902" xlink:type="arc" />
    <link:label id="lab_us-gaap_AffordableHousingProgramAssessments_9D781A793B16D33C043ADAC59BC2D3C6_terseLabel_en-US" xlink:label="lab_us-gaap_AffordableHousingProgramAssessments_9D781A793B16D33C043ADAC59BC2D3C6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AHP</link:label>
    <link:label id="lab_us-gaap_AffordableHousingProgramAssessments_9D781A793B16D33C043ADAC59BC2D3C6_label_en-US" xlink:label="lab_us-gaap_AffordableHousingProgramAssessments_9D781A793B16D33C043ADAC59BC2D3C6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Affordable Housing Program Assessments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AffordableHousingProgramAssessments" xlink:label="loc_us-gaap_AffordableHousingProgramAssessments_9D781A793B16D33C043ADAC59BC2D3C6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AffordableHousingProgramAssessments_9D781A793B16D33C043ADAC59BC2D3C6" xlink:to="lab_us-gaap_AffordableHousingProgramAssessments_9D781A793B16D33C043ADAC59BC2D3C6" xlink:type="arc" />
    <link:label id="lab_us-gaap_CongressionallyMandatedFederalHomeLoanBankAssessments_B86AE5D23C980590DB24DAC59BC23522_terseLabel_en-US" xlink:label="lab_us-gaap_CongressionallyMandatedFederalHomeLoanBankAssessments_B86AE5D23C980590DB24DAC59BC23522" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">REFCorp</link:label>
    <link:label id="lab_us-gaap_CongressionallyMandatedFederalHomeLoanBankAssessments_B86AE5D23C980590DB24DAC59BC23522_label_en-US" xlink:label="lab_us-gaap_CongressionallyMandatedFederalHomeLoanBankAssessments_B86AE5D23C980590DB24DAC59BC23522" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Congressionally Mandated Federal Home Loan Bank Assessments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CongressionallyMandatedFederalHomeLoanBankAssessments" xlink:label="loc_us-gaap_CongressionallyMandatedFederalHomeLoanBankAssessments_B86AE5D23C980590DB24DAC59BC23522" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CongressionallyMandatedFederalHomeLoanBankAssessments_B86AE5D23C980590DB24DAC59BC23522" xlink:to="lab_us-gaap_CongressionallyMandatedFederalHomeLoanBankAssessments_B86AE5D23C980590DB24DAC59BC23522" xlink:type="arc" />
    <link:label id="lab_us-gaap_FederalHomeLoanBankAssessments_80CFFE34C752A5CC209FDAC59BC23ECD_totalLabel_en-US" xlink:label="lab_us-gaap_FederalHomeLoanBankAssessments_80CFFE34C752A5CC209FDAC59BC23ECD" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total assessments</link:label>
    <link:label id="lab_us-gaap_FederalHomeLoanBankAssessments_80CFFE34C752A5CC209FDAC59BC23ECD_label_en-US" xlink:label="lab_us-gaap_FederalHomeLoanBankAssessments_80CFFE34C752A5CC209FDAC59BC23ECD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Federal Home Loan Bank Assessments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FederalHomeLoanBankAssessments" xlink:label="loc_us-gaap_FederalHomeLoanBankAssessments_80CFFE34C752A5CC209FDAC59BC23ECD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FederalHomeLoanBankAssessments_80CFFE34C752A5CC209FDAC59BC23ECD" xlink:to="lab_us-gaap_FederalHomeLoanBankAssessments_80CFFE34C752A5CC209FDAC59BC23ECD" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_C08A4BFCB0D9BD324359DAC59BC2A175_totalLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_C08A4BFCB0D9BD324359DAC59BC2A175" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">NET INCOME (LOSS)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_C08A4BFCB0D9BD324359DAC59BC2A175" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_C08A4BFCB0D9BD324359DAC59BC2A175" xlink:to="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_C08A4BFCB0D9BD324359DAC59BC2A175" xlink:type="arc" />
    <link:label id="lab_fhlbbost_ConsolidatedObligationsAbstract_1E6A60FFA7ABC28184F0DAC587D55903_label_en-US" xlink:label="lab_fhlbbost_ConsolidatedObligationsAbstract_1E6A60FFA7ABC28184F0DAC587D55903" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidated Obligations [Abstract]</link:label>
    <link:label id="lab_fhlbbost_ConsolidatedObligationsAbstract_1E6A60FFA7ABC28184F0DAC587D55903_documentation_en-US" xlink:label="lab_fhlbbost_ConsolidatedObligationsAbstract_1E6A60FFA7ABC28184F0DAC587D55903" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Consolidated Obligations [Abstract]</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_ConsolidatedObligationsAbstract" xlink:label="loc_fhlbbost_ConsolidatedObligationsAbstract_1E6A60FFA7ABC28184F0DAC587D55903" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_ConsolidatedObligationsAbstract_1E6A60FFA7ABC28184F0DAC587D55903" xlink:to="lab_fhlbbost_ConsolidatedObligationsAbstract_1E6A60FFA7ABC28184F0DAC587D55903" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtAndCapitalLeasesDisclosuresTextBlock_7430AE5B9082F7A0FB334C9D9982B924_terseLabel_en-US" xlink:label="lab_us-gaap_DebtAndCapitalLeasesDisclosuresTextBlock_7430AE5B9082F7A0FB334C9D9982B924" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt and Capital Leases Disclosures [Text Block]</link:label>
    <link:label id="lab_us-gaap_DebtAndCapitalLeasesDisclosuresTextBlock_7430AE5B9082F7A0FB334C9D9982B924_label_en-US" xlink:label="lab_us-gaap_DebtAndCapitalLeasesDisclosuresTextBlock_7430AE5B9082F7A0FB334C9D9982B924" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt and Capital Leases Disclosures [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtAndCapitalLeasesDisclosuresTextBlock" xlink:label="loc_us-gaap_DebtAndCapitalLeasesDisclosuresTextBlock_7430AE5B9082F7A0FB334C9D9982B924" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtAndCapitalLeasesDisclosuresTextBlock_7430AE5B9082F7A0FB334C9D9982B924" xlink:to="lab_us-gaap_DebtAndCapitalLeasesDisclosuresTextBlock_7430AE5B9082F7A0FB334C9D9982B924" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementOfStockholdersEquityAbstract_3A1095C7DF8F246DE421DAC599499E80_label_en-US" xlink:label="lab_us-gaap_StatementOfStockholdersEquityAbstract_3A1095C7DF8F246DE421DAC599499E80" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Stockholders' Equity [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract_3A1095C7DF8F246DE421DAC599499E80" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfStockholdersEquityAbstract_3A1095C7DF8F246DE421DAC599499E80" xlink:to="lab_us-gaap_StatementOfStockholdersEquityAbstract_3A1095C7DF8F246DE421DAC599499E80" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementEquityComponentsAxis_34F34DFDC9C1F4B1E9E8DAC599497A9C_terseLabel_en-US" xlink:label="lab_us-gaap_StatementEquityComponentsAxis_34F34DFDC9C1F4B1E9E8DAC599497A9C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement, Equity Components [Axis]</link:label>
    <link:label id="lab_us-gaap_StatementEquityComponentsAxis_34F34DFDC9C1F4B1E9E8DAC599497A9C_label_en-US" xlink:label="lab_us-gaap_StatementEquityComponentsAxis_34F34DFDC9C1F4B1E9E8DAC599497A9C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement, Equity Components [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_34F34DFDC9C1F4B1E9E8DAC599497A9C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_34F34DFDC9C1F4B1E9E8DAC599497A9C" xlink:to="lab_us-gaap_StatementEquityComponentsAxis_34F34DFDC9C1F4B1E9E8DAC599497A9C" xlink:type="arc" />
    <link:label id="lab_us-gaap_EquityComponentDomain_B2348FDF8F87B1C6E145DAC59949F5BB_terseLabel_en-US" xlink:label="lab_us-gaap_EquityComponentDomain_B2348FDF8F87B1C6E145DAC59949F5BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity Component [Domain]</link:label>
    <link:label id="lab_us-gaap_EquityComponentDomain_B2348FDF8F87B1C6E145DAC59949F5BB_label_en-US" xlink:label="lab_us-gaap_EquityComponentDomain_B2348FDF8F87B1C6E145DAC59949F5BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Component [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_B2348FDF8F87B1C6E145DAC59949F5BB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityComponentDomain_B2348FDF8F87B1C6E145DAC59949F5BB" xlink:to="lab_us-gaap_EquityComponentDomain_B2348FDF8F87B1C6E145DAC59949F5BB" xlink:type="arc" />
    <link:label id="lab_us-gaap_ParentMember_5F54C65D92A51A340427DAC599491D83_terseLabel_en-US" xlink:label="lab_us-gaap_ParentMember_5F54C65D92A51A340427DAC599491D83" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Parent [Member]</link:label>
    <link:label id="lab_us-gaap_ParentMember_5F54C65D92A51A340427DAC599491D83_label_en-US" xlink:label="lab_us-gaap_ParentMember_5F54C65D92A51A340427DAC599491D83" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Parent [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentMember" xlink:label="loc_us-gaap_ParentMember_5F54C65D92A51A340427DAC599491D83" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ParentMember_5F54C65D92A51A340427DAC599491D83" xlink:to="lab_us-gaap_ParentMember_5F54C65D92A51A340427DAC599491D83" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonClassBMember_9E03E2B941347F161876DAC599493AA0_terseLabel_en-US" xlink:label="lab_us-gaap_CommonClassBMember_9E03E2B941347F161876DAC599493AA0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital Stock Class B - Putable</link:label>
    <link:label id="lab_us-gaap_CommonClassBMember_9E03E2B941347F161876DAC599493AA0_label_en-US" xlink:label="lab_us-gaap_CommonClassBMember_9E03E2B941347F161876DAC599493AA0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Class B [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonClassBMember" xlink:label="loc_us-gaap_CommonClassBMember_9E03E2B941347F161876DAC599493AA0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonClassBMember_9E03E2B941347F161876DAC599493AA0" xlink:to="lab_us-gaap_CommonClassBMember_9E03E2B941347F161876DAC599493AA0" xlink:type="arc" />
    <link:label id="lab_us-gaap_RetainedEarningsUnappropriatedMember_738EFC940B0E2F6EB3A346D8F9489303_terseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsUnappropriatedMember_738EFC940B0E2F6EB3A346D8F9489303" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retained Earnings, Unrestricted</link:label>
    <link:label id="lab_us-gaap_RetainedEarningsUnappropriatedMember_738EFC940B0E2F6EB3A346D8F9489303_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsUnappropriatedMember_738EFC940B0E2F6EB3A346D8F9489303" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained Earnings, Unappropriated [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RetainedEarningsUnappropriatedMember" xlink:label="loc_us-gaap_RetainedEarningsUnappropriatedMember_738EFC940B0E2F6EB3A346D8F9489303" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsUnappropriatedMember_738EFC940B0E2F6EB3A346D8F9489303" xlink:to="lab_us-gaap_RetainedEarningsUnappropriatedMember_738EFC940B0E2F6EB3A346D8F9489303" xlink:type="arc" />
    <link:label id="lab_us-gaap_RetainedEarningsAppropriatedMember_CA909C9CD601236C2CE546DB7540F1C8_terseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsAppropriatedMember_CA909C9CD601236C2CE546DB7540F1C8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retained Earnings, Restricted</link:label>
    <link:label id="lab_us-gaap_RetainedEarningsAppropriatedMember_CA909C9CD601236C2CE546DB7540F1C8_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsAppropriatedMember_CA909C9CD601236C2CE546DB7540F1C8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained Earnings, Appropriated [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RetainedEarningsAppropriatedMember" xlink:label="loc_us-gaap_RetainedEarningsAppropriatedMember_CA909C9CD601236C2CE546DB7540F1C8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsAppropriatedMember_CA909C9CD601236C2CE546DB7540F1C8" xlink:to="lab_us-gaap_RetainedEarningsAppropriatedMember_CA909C9CD601236C2CE546DB7540F1C8" xlink:type="arc" />
    <link:label id="lab_us-gaap_RetainedEarningsMember_A660D4521663B7DDB019DAC5994A9087_terseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsMember_A660D4521663B7DDB019DAC5994A9087" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retained Earnings, Total</link:label>
    <link:label id="lab_us-gaap_RetainedEarningsMember_A660D4521663B7DDB019DAC5994A9087_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsMember_A660D4521663B7DDB019DAC5994A9087" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained Earnings [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_A660D4521663B7DDB019DAC5994A9087" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsMember_A660D4521663B7DDB019DAC5994A9087" xlink:to="lab_us-gaap_RetainedEarningsMember_A660D4521663B7DDB019DAC5994A9087" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_C17F58851615616E46FADAC5994A1B2E_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_C17F58851615616E46FADAC5994A1B2E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Loss</link:label>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_C17F58851615616E46FADAC5994A1B2E_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_C17F58851615616E46FADAC5994A1B2E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss) [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_C17F58851615616E46FADAC5994A1B2E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_C17F58851615616E46FADAC5994A1B2E" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_C17F58851615616E46FADAC5994A1B2E" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_BE67F700A8821E61CD1146F33E938AD4_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_BE67F700A8821E61CD1146F33E938AD4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Stockholders' Equity [Roll Forward]</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_BE67F700A8821E61CD1146F33E938AD4_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_BE67F700A8821E61CD1146F33E938AD4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Stockholders' Equity [Roll Forward]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_BE67F700A8821E61CD1146F33E938AD4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_BE67F700A8821E61CD1146F33E938AD4" xlink:to="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_BE67F700A8821E61CD1146F33E938AD4" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockholdersEquity_85833CA2F4EBFBAE11A2DAC5994A95B3_periodStartLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_85833CA2F4EBFBAE11A2DAC5994A95B3" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Capital, beginning of period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_85833CA2F4EBFBAE11A2DAC5994A95B3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquity_85833CA2F4EBFBAE11A2DAC5994A95B3" xlink:to="lab_us-gaap_StockholdersEquity_85833CA2F4EBFBAE11A2DAC5994A95B3" xlink:type="arc" />
    <link:label id="lab_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets_CE5DDABF95EBCBFDE6EF28EFA573A22B_terseLabel_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets_CE5DDABF95EBCBFDE6EF28EFA573A22B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cumulative effect of adjustment relating to amended other-than-temporary impairment guidance</link:label>
    <link:label id="lab_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets_CE5DDABF95EBCBFDE6EF28EFA573A22B_label_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets_CE5DDABF95EBCBFDE6EF28EFA573A22B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets" xlink:label="loc_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets_CE5DDABF95EBCBFDE6EF28EFA573A22B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets_CE5DDABF95EBCBFDE6EF28EFA573A22B" xlink:to="lab_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets_CE5DDABF95EBCBFDE6EF28EFA573A22B" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_8D549F973A7B2A0E26B7DAC5994AA9E3_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_8D549F973A7B2A0E26B7DAC5994AA9E3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from sale of capital stock, value</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_8D549F973A7B2A0E26B7DAC5994AA9E3_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_8D549F973A7B2A0E26B7DAC5994AA9E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Value, New Issues</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_8D549F973A7B2A0E26B7DAC5994AA9E3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_8D549F973A7B2A0E26B7DAC5994AA9E3" xlink:to="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_8D549F973A7B2A0E26B7DAC5994AA9E3" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockRepurchasedDuringPeriodValue_AD7C5220F39F9BADED0328C020B79F7F_terseLabel_en-US" xlink:label="lab_us-gaap_StockRepurchasedDuringPeriodValue_AD7C5220F39F9BADED0328C020B79F7F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Repurchase/redemption of capital stock, value</link:label>
    <link:label id="lab_us-gaap_StockRepurchasedDuringPeriodValue_AD7C5220F39F9BADED0328C020B79F7F_label_en-US" xlink:label="lab_us-gaap_StockRepurchasedDuringPeriodValue_AD7C5220F39F9BADED0328C020B79F7F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Repurchased During Period, Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodValue" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodValue_AD7C5220F39F9BADED0328C020B79F7F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockRepurchasedDuringPeriodValue_AD7C5220F39F9BADED0328C020B79F7F" xlink:to="lab_us-gaap_StockRepurchasedDuringPeriodValue_AD7C5220F39F9BADED0328C020B79F7F" xlink:type="arc" />
    <link:label id="lab_fhlbbost_NetSharesReclassifiedToMandatorilyRedeemableCapitalStockValue_8EB1C5DBB1D987DF88FDDAC5994B790E_negatedTerseLabel_en-US" xlink:label="lab_fhlbbost_NetSharesReclassifiedToMandatorilyRedeemableCapitalStockValue_8EB1C5DBB1D987DF88FDDAC5994B790E" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Shares reclassified (to) from mandatorily redeemable capital stock, value</link:label>
    <link:label id="lab_fhlbbost_NetSharesReclassifiedToMandatorilyRedeemableCapitalStockValue_8EB1C5DBB1D987DF88FDDAC5994B790E_label_en-US" xlink:label="lab_fhlbbost_NetSharesReclassifiedToMandatorilyRedeemableCapitalStockValue_8EB1C5DBB1D987DF88FDDAC5994B790E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net shares reclassified to mandatorily redeemable capital stock value</link:label>
    <link:label id="lab_fhlbbost_NetSharesReclassifiedToMandatorilyRedeemableCapitalStockValue_8EB1C5DBB1D987DF88FDDAC5994B790E_documentation_en-US" xlink:label="lab_fhlbbost_NetSharesReclassifiedToMandatorilyRedeemableCapitalStockValue_8EB1C5DBB1D987DF88FDDAC5994B790E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The net value of shares reclassified to mandatorily redeemable capital stock during the period.</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_NetSharesReclassifiedToMandatorilyRedeemableCapitalStockValue" xlink:label="loc_fhlbbost_NetSharesReclassifiedToMandatorilyRedeemableCapitalStockValue_8EB1C5DBB1D987DF88FDDAC5994B790E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_NetSharesReclassifiedToMandatorilyRedeemableCapitalStockValue_8EB1C5DBB1D987DF88FDDAC5994B790E" xlink:to="lab_fhlbbost_NetSharesReclassifiedToMandatorilyRedeemableCapitalStockValue_8EB1C5DBB1D987DF88FDDAC5994B790E" xlink:type="arc" />
    <link:label id="lab_us-gaap_SharesIssued_AD33E20351845B33DA66DAC5994ADEEF_periodStartLabel_en-US" xlink:label="lab_us-gaap_SharesIssued_AD33E20351845B33DA66DAC5994ADEEF" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Class B shares, beginning of period</link:label>
    <link:label id="lab_us-gaap_SharesIssued_AD33E20351845B33DA66DAC5994ADEEF_label_en-US" xlink:label="lab_us-gaap_SharesIssued_AD33E20351845B33DA66DAC5994ADEEF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares, Issued</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SharesIssued" xlink:label="loc_us-gaap_SharesIssued_AD33E20351845B33DA66DAC5994ADEEF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharesIssued_AD33E20351845B33DA66DAC5994ADEEF" xlink:to="lab_us-gaap_SharesIssued_AD33E20351845B33DA66DAC5994ADEEF" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_0899EDF8A1714E57504BAE2BE3970F2D_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_0899EDF8A1714E57504BAE2BE3970F2D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from sale of capital stock, shares</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_0899EDF8A1714E57504BAE2BE3970F2D_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_0899EDF8A1714E57504BAE2BE3970F2D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Shares, New Issues</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_0899EDF8A1714E57504BAE2BE3970F2D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_0899EDF8A1714E57504BAE2BE3970F2D" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_0899EDF8A1714E57504BAE2BE3970F2D" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockRepurchasedDuringPeriodShares_DE39F91D0667D1B982AC28BF5F4BF589_terseLabel_en-US" xlink:label="lab_us-gaap_StockRepurchasedDuringPeriodShares_DE39F91D0667D1B982AC28BF5F4BF589" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Repurchase/redemption of capital stock, shares</link:label>
    <link:label id="lab_us-gaap_StockRepurchasedDuringPeriodShares_DE39F91D0667D1B982AC28BF5F4BF589_label_en-US" xlink:label="lab_us-gaap_StockRepurchasedDuringPeriodShares_DE39F91D0667D1B982AC28BF5F4BF589" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Repurchased During Period, Shares</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodShares" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodShares_DE39F91D0667D1B982AC28BF5F4BF589" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockRepurchasedDuringPeriodShares_DE39F91D0667D1B982AC28BF5F4BF589" xlink:to="lab_us-gaap_StockRepurchasedDuringPeriodShares_DE39F91D0667D1B982AC28BF5F4BF589" xlink:type="arc" />
    <link:label id="lab_fhlbbost_NetSharesReclassifiedToMandatorilyRedeemableCapitalStockShares_CB80B343BE0A19A4D486DAC5994BF625_terseLabel_en-US" xlink:label="lab_fhlbbost_NetSharesReclassifiedToMandatorilyRedeemableCapitalStockShares_CB80B343BE0A19A4D486DAC5994BF625" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares reclassified (to) from mandatorily redeemable capital stock, shares</link:label>
    <link:label id="lab_fhlbbost_NetSharesReclassifiedToMandatorilyRedeemableCapitalStockShares_CB80B343BE0A19A4D486DAC5994BF625_label_en-US" xlink:label="lab_fhlbbost_NetSharesReclassifiedToMandatorilyRedeemableCapitalStockShares_CB80B343BE0A19A4D486DAC5994BF625" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net shares reclassified to mandatorily redeemable capital stock shares</link:label>
    <link:label id="lab_fhlbbost_NetSharesReclassifiedToMandatorilyRedeemableCapitalStockShares_CB80B343BE0A19A4D486DAC5994BF625_documentation_en-US" xlink:label="lab_fhlbbost_NetSharesReclassifiedToMandatorilyRedeemableCapitalStockShares_CB80B343BE0A19A4D486DAC5994BF625" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The net number of shares reclassified to mandatorily redeemable capital stock during the period.</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_NetSharesReclassifiedToMandatorilyRedeemableCapitalStockShares" xlink:label="loc_fhlbbost_NetSharesReclassifiedToMandatorilyRedeemableCapitalStockShares_CB80B343BE0A19A4D486DAC5994BF625" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_NetSharesReclassifiedToMandatorilyRedeemableCapitalStockShares_CB80B343BE0A19A4D486DAC5994BF625" xlink:to="lab_fhlbbost_NetSharesReclassifiedToMandatorilyRedeemableCapitalStockShares_CB80B343BE0A19A4D486DAC5994BF625" xlink:type="arc" />
    <link:label id="lab_us-gaap_SharesIssued_857D6F25AB72CF8C00D7DAC5994B7AD9_periodEndLabel_en-US" xlink:label="lab_us-gaap_SharesIssued_857D6F25AB72CF8C00D7DAC5994B7AD9" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Class B shares, period end</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SharesIssued" xlink:label="loc_us-gaap_SharesIssued_857D6F25AB72CF8C00D7DAC5994B7AD9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharesIssued_857D6F25AB72CF8C00D7DAC5994B7AD9" xlink:to="lab_us-gaap_SharesIssued_857D6F25AB72CF8C00D7DAC5994B7AD9" xlink:type="arc" />
    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_ADE0782AA26B88A7EDF2B2E599C6C114_terseLabel_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_ADE0782AA26B88A7EDF2B2E599C6C114" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Comprehensive income</link:label>
    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_ADE0782AA26B88A7EDF2B2E599C6C114_label_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_ADE0782AA26B88A7EDF2B2E599C6C114" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAbstract" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_ADE0782AA26B88A7EDF2B2E599C6C114" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_ADE0782AA26B88A7EDF2B2E599C6C114" xlink:to="lab_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_ADE0782AA26B88A7EDF2B2E599C6C114" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentAbstract_6219992274ABAAD9E56346FAD815A3E9_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentAbstract_6219992274ABAAD9E56346FAD815A3E9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive income</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentAbstract_6219992274ABAAD9E56346FAD815A3E9_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentAbstract_6219992274ABAAD9E56346FAD815A3E9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentAbstract_6219992274ABAAD9E56346FAD815A3E9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentAbstract_6219992274ABAAD9E56346FAD815A3E9" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentAbstract_6219992274ABAAD9E56346FAD815A3E9" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_A3DDCB48C591EDD1B750DAC5994B4A9F_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_A3DDCB48C591EDD1B750DAC5994B4A9F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net unrealized (losses) gains on available-for-sale securities</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_A3DDCB48C591EDD1B750DAC5994B4A9F_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_A3DDCB48C591EDD1B750DAC5994B4A9F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_A3DDCB48C591EDD1B750DAC5994B4A9F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_A3DDCB48C591EDD1B750DAC5994B4A9F" xlink:to="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_A3DDCB48C591EDD1B750DAC5994B4A9F" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax_9831670FD7ABCE1AF051B376C8CD465E_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax_9831670FD7ABCE1AF051B376C8CD465E" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Reclassification adjustment for realized gains included in net income relating to available-for-sale securities</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax_9831670FD7ABCE1AF051B376C8CD465E_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax_9831670FD7ABCE1AF051B376C8CD465E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, before Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax_9831670FD7ABCE1AF051B376C8CD465E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax_9831670FD7ABCE1AF051B376C8CD465E" xlink:to="lab_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax_9831670FD7ABCE1AF051B376C8CD465E" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentHeldtomaturitySecurities_B44891EF0B3B3CADDAA3AE3E20FEDADA_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentHeldtomaturitySecurities_B44891EF0B3B3CADDAA3AE3E20FEDADA" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Noncredit portion of other than temporary impairment losses on held-to-maturity securities</link:label>
    <link:label id="lab_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentHeldtomaturitySecurities_B44891EF0B3B3CADDAA3AE3E20FEDADA_label_en-US" xlink:label="lab_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentHeldtomaturitySecurities_B44891EF0B3B3CADDAA3AE3E20FEDADA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other than Temporary Impairment Losses, Investments, Portion in Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent, Held-to-maturity Securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentHeldtomaturitySecurities" xlink:label="loc_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentHeldtomaturitySecurities_B44891EF0B3B3CADDAA3AE3E20FEDADA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentHeldtomaturitySecurities_B44891EF0B3B3CADDAA3AE3E20FEDADA" xlink:to="lab_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentHeldtomaturitySecurities_B44891EF0B3B3CADDAA3AE3E20FEDADA" xlink:type="arc" />
    <link:label id="lab_fhlbbost_ReclassificationAdjustmentOfNoncreditPortionOfImpairmentLossesIncludedInNetIncomeRelatingToHeldToMaturitySecurities_50A77FC38DD7B8EC5483DAC5994BC6A3_negatedTerseLabel_en-US" xlink:label="lab_fhlbbost_ReclassificationAdjustmentOfNoncreditPortionOfImpairmentLossesIncludedInNetIncomeRelatingToHeldToMaturitySecurities_50A77FC38DD7B8EC5483DAC5994BC6A3" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Reclassification adjustment of noncredit component of impairment losses included in net income relating to held-to-maturity securities</link:label>
    <link:label id="lab_fhlbbost_ReclassificationAdjustmentOfNoncreditPortionOfImpairmentLossesIncludedInNetIncomeRelatingToHeldToMaturitySecurities_50A77FC38DD7B8EC5483DAC5994BC6A3_label_en-US" xlink:label="lab_fhlbbost_ReclassificationAdjustmentOfNoncreditPortionOfImpairmentLossesIncludedInNetIncomeRelatingToHeldToMaturitySecurities_50A77FC38DD7B8EC5483DAC5994BC6A3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reclassification adjustment of noncredit portion of impairment losses included in net income relating to held to maturity securities</link:label>
    <link:label id="lab_fhlbbost_ReclassificationAdjustmentOfNoncreditPortionOfImpairmentLossesIncludedInNetIncomeRelatingToHeldToMaturitySecurities_50A77FC38DD7B8EC5483DAC5994BC6A3_documentation_en-US" xlink:label="lab_fhlbbost_ReclassificationAdjustmentOfNoncreditPortionOfImpairmentLossesIncludedInNetIncomeRelatingToHeldToMaturitySecurities_50A77FC38DD7B8EC5483DAC5994BC6A3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of additional other than temporary impairment (OTTI) credit loss on  a debt security categorized as held-to-maturity, reclassified from other comprehensive income into net income during the period on previously impaired securities.</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_ReclassificationAdjustmentOfNoncreditPortionOfImpairmentLossesIncludedInNetIncomeRelatingToHeldToMaturitySecurities" xlink:label="loc_fhlbbost_ReclassificationAdjustmentOfNoncreditPortionOfImpairmentLossesIncludedInNetIncomeRelatingToHeldToMaturitySecurities_50A77FC38DD7B8EC5483DAC5994BC6A3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_ReclassificationAdjustmentOfNoncreditPortionOfImpairmentLossesIncludedInNetIncomeRelatingToHeldToMaturitySecurities_50A77FC38DD7B8EC5483DAC5994BC6A3" xlink:to="lab_fhlbbost_ReclassificationAdjustmentOfNoncreditPortionOfImpairmentLossesIncludedInNetIncomeRelatingToHeldToMaturitySecurities_50A77FC38DD7B8EC5483DAC5994BC6A3" xlink:type="arc" />
    <link:label id="lab_fhlbbost_AccretionOfNoncreditPortionOfImpairmentLossesOnHeldToMaturitySecurities_046DBC31E3C71C11DE23DAC5994B40CF_negatedTerseLabel_en-US" xlink:label="lab_fhlbbost_AccretionOfNoncreditPortionOfImpairmentLossesOnHeldToMaturitySecurities_046DBC31E3C71C11DE23DAC5994B40CF" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Accretion of noncredit portion of impairment losses on held-to-maturity securities</link:label>
    <link:label id="lab_fhlbbost_AccretionOfNoncreditPortionOfImpairmentLossesOnHeldToMaturitySecurities_046DBC31E3C71C11DE23DAC5994B40CF_label_en-US" xlink:label="lab_fhlbbost_AccretionOfNoncreditPortionOfImpairmentLossesOnHeldToMaturitySecurities_046DBC31E3C71C11DE23DAC5994B40CF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accretion of noncredit portion of impairment losses on held to maturity securities</link:label>
    <link:label id="lab_fhlbbost_AccretionOfNoncreditPortionOfImpairmentLossesOnHeldToMaturitySecurities_046DBC31E3C71C11DE23DAC5994B40CF_documentation_en-US" xlink:label="lab_fhlbbost_AccretionOfNoncreditPortionOfImpairmentLossesOnHeldToMaturitySecurities_046DBC31E3C71C11DE23DAC5994B40CF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of other than temporary impairment (OTTI) loss on a debt security categorized as held-to-maturity, recognized in other comprehensive income that was accreted during the period.</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_AccretionOfNoncreditPortionOfImpairmentLossesOnHeldToMaturitySecurities" xlink:label="loc_fhlbbost_AccretionOfNoncreditPortionOfImpairmentLossesOnHeldToMaturitySecurities_046DBC31E3C71C11DE23DAC5994B40CF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_AccretionOfNoncreditPortionOfImpairmentLossesOnHeldToMaturitySecurities_046DBC31E3C71C11DE23DAC5994B40CF" xlink:to="lab_fhlbbost_AccretionOfNoncreditPortionOfImpairmentLossesOnHeldToMaturitySecurities_046DBC31E3C71C11DE23DAC5994B40CF" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_E84A5065EE2AA19B944CB3F643E5F5C2_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_E84A5065EE2AA19B944CB3F643E5F5C2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized losses relating to hedging activities</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_E84A5065EE2AA19B944CB3F643E5F5C2_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_E84A5065EE2AA19B944CB3F643E5F5C2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_E84A5065EE2AA19B944CB3F643E5F5C2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_E84A5065EE2AA19B944CB3F643E5F5C2" xlink:to="lab_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_E84A5065EE2AA19B944CB3F643E5F5C2" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeBeforeTax_44EB13FE3C188108C38DDAC5994BCCFC_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeBeforeTax_44EB13FE3C188108C38DDAC5994BCCFC" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Reclassification adjustment for previously deferred hedging gains and losses included in income</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeBeforeTax_44EB13FE3C188108C38DDAC5994BCCFC_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeBeforeTax_44EB13FE3C188108C38DDAC5994BCCFC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeBeforeTax_44EB13FE3C188108C38DDAC5994BCCFC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeBeforeTax_44EB13FE3C188108C38DDAC5994BCCFC" xlink:to="lab_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeBeforeTax_44EB13FE3C188108C38DDAC5994BCCFC" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent_F77F4083E87FF19CD1C6AE35F8E653DE_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent_F77F4083E87FF19CD1C6AE35F8E653DE" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Pension and postretirement benefits</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent_F77F4083E87FF19CD1C6AE35F8E653DE_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent_F77F4083E87FF19CD1C6AE35F8E653DE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Tax, Portion Attributable to Parent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent_F77F4083E87FF19CD1C6AE35F8E653DE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent_F77F4083E87FF19CD1C6AE35F8E653DE" xlink:to="lab_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent_F77F4083E87FF19CD1C6AE35F8E653DE" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_3A5FAC4DAE80AE0C9E78C1F0CC7502E3_totalLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_3A5FAC4DAE80AE0C9E78C1F0CC7502E3" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total other comprehensive income (loss)</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_3A5FAC4DAE80AE0C9E78C1F0CC7502E3_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_3A5FAC4DAE80AE0C9E78C1F0CC7502E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_3A5FAC4DAE80AE0C9E78C1F0CC7502E3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_3A5FAC4DAE80AE0C9E78C1F0CC7502E3" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_3A5FAC4DAE80AE0C9E78C1F0CC7502E3" xlink:type="arc" />
    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTax_5C0324EDB7CE0256C55C47051B3692C5_totalLabel_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_5C0324EDB7CE0256C55C47051B3692C5" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total comprehensive income (loss)</link:label>
    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTax_5C0324EDB7CE0256C55C47051B3692C5_label_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_5C0324EDB7CE0256C55C47051B3692C5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive Income (Loss), Net of Tax, Attributable to Parent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_5C0324EDB7CE0256C55C47051B3692C5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_5C0324EDB7CE0256C55C47051B3692C5" xlink:to="lab_us-gaap_ComprehensiveIncomeNetOfTax_5C0324EDB7CE0256C55C47051B3692C5" xlink:type="arc" />
    <link:label id="lab_us-gaap_DividendsCommonStockCash_4DE6DF750A2F924D92E2B51313999782_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DividendsCommonStockCash_4DE6DF750A2F924D92E2B51313999782" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Cash dividends on capital stock</link:label>
    <link:label id="lab_us-gaap_DividendsCommonStockCash_4DE6DF750A2F924D92E2B51313999782_label_en-US" xlink:label="lab_us-gaap_DividendsCommonStockCash_4DE6DF750A2F924D92E2B51313999782" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends, Common Stock, Cash</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:label="loc_us-gaap_DividendsCommonStockCash_4DE6DF750A2F924D92E2B51313999782" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendsCommonStockCash_4DE6DF750A2F924D92E2B51313999782" xlink:to="lab_us-gaap_DividendsCommonStockCash_4DE6DF750A2F924D92E2B51313999782" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockholdersEquity_24938F87DA932DB82800DAC5994B1343_periodEndLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_24938F87DA932DB82800DAC5994B1343" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Capital, period end</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_24938F87DA932DB82800DAC5994B1343" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquity_24938F87DA932DB82800DAC5994B1343" xlink:to="lab_us-gaap_StockholdersEquity_24938F87DA932DB82800DAC5994B1343" xlink:type="arc" />
    <link:label id="lab_fhlbbost_MortgageLoansHeldForPortfolioAbstract_94D071F03C61B7859D11DAC58F4A38E7_label_en-US" xlink:label="lab_fhlbbost_MortgageLoansHeldForPortfolioAbstract_94D071F03C61B7859D11DAC58F4A38E7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Loans Held for Portfolio [Abstract]</link:label>
    <link:label id="lab_fhlbbost_MortgageLoansHeldForPortfolioAbstract_94D071F03C61B7859D11DAC58F4A38E7_documentation_en-US" xlink:label="lab_fhlbbost_MortgageLoansHeldForPortfolioAbstract_94D071F03C61B7859D11DAC58F4A38E7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mortgage Loans Held for Portfolio [Abstract]</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_MortgageLoansHeldForPortfolioAbstract" xlink:label="loc_fhlbbost_MortgageLoansHeldForPortfolioAbstract_94D071F03C61B7859D11DAC58F4A38E7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_MortgageLoansHeldForPortfolioAbstract_94D071F03C61B7859D11DAC58F4A38E7" xlink:to="lab_fhlbbost_MortgageLoansHeldForPortfolioAbstract_94D071F03C61B7859D11DAC58F4A38E7" xlink:type="arc" />
    <link:label id="lab_us-gaap_MortgageLoansOnRealEstateByLoanDisclosureTextBlock_7D5B964F74F5F6E53CB65216B0CFDAB2_terseLabel_en-US" xlink:label="lab_us-gaap_MortgageLoansOnRealEstateByLoanDisclosureTextBlock_7D5B964F74F5F6E53CB65216B0CFDAB2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage Loans on Real Estate, by Loan Disclosure [Text Block]</link:label>
    <link:label id="lab_us-gaap_MortgageLoansOnRealEstateByLoanDisclosureTextBlock_7D5B964F74F5F6E53CB65216B0CFDAB2_label_en-US" xlink:label="lab_us-gaap_MortgageLoansOnRealEstateByLoanDisclosureTextBlock_7D5B964F74F5F6E53CB65216B0CFDAB2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Loans on Real Estate, by Loan Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MortgageLoansOnRealEstateByLoanDisclosureTextBlock" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateByLoanDisclosureTextBlock_7D5B964F74F5F6E53CB65216B0CFDAB2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateByLoanDisclosureTextBlock_7D5B964F74F5F6E53CB65216B0CFDAB2" xlink:to="lab_us-gaap_MortgageLoansOnRealEstateByLoanDisclosureTextBlock_7D5B964F74F5F6E53CB65216B0CFDAB2" xlink:type="arc" />
    <link:label id="lab_fhlbbost_BackgroudInformationAbstract_382FD34671D1ED76FD3AADAAB1AD25A3_label_en-US" xlink:label="lab_fhlbbost_BackgroudInformationAbstract_382FD34671D1ED76FD3AADAAB1AD25A3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Backgroud Information [Abstract]</link:label>
    <link:label id="lab_fhlbbost_BackgroudInformationAbstract_382FD34671D1ED76FD3AADAAB1AD25A3_documentation_en-US" xlink:label="lab_fhlbbost_BackgroudInformationAbstract_382FD34671D1ED76FD3AADAAB1AD25A3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Background Information [Abstract]</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_BackgroudInformationAbstract" xlink:label="loc_fhlbbost_BackgroudInformationAbstract_382FD34671D1ED76FD3AADAAB1AD25A3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_BackgroudInformationAbstract_382FD34671D1ED76FD3AADAAB1AD25A3" xlink:to="lab_fhlbbost_BackgroudInformationAbstract_382FD34671D1ED76FD3AADAAB1AD25A3" xlink:type="arc" />
    <link:label id="lab_us-gaap_NatureOfOperations_1A4F7297C346E501D7AFCE17A1773E76_terseLabel_en-US" xlink:label="lab_us-gaap_NatureOfOperations_1A4F7297C346E501D7AFCE17A1773E76" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nature of Operations [Text Block]</link:label>
    <link:label id="lab_us-gaap_NatureOfOperations_1A4F7297C346E501D7AFCE17A1773E76_label_en-US" xlink:label="lab_us-gaap_NatureOfOperations_1A4F7297C346E501D7AFCE17A1773E76" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nature of Operations [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NatureOfOperations" xlink:label="loc_us-gaap_NatureOfOperations_1A4F7297C346E501D7AFCE17A1773E76" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NatureOfOperations_1A4F7297C346E501D7AFCE17A1773E76" xlink:to="lab_us-gaap_NatureOfOperations_1A4F7297C346E501D7AFCE17A1773E76" xlink:type="arc" />
    <link:label id="lab_fhlbbost_FairValuesAbstract_CC6F459931EA0ABDFA3BDAC58249495F_label_en-US" xlink:label="lab_fhlbbost_FairValuesAbstract_CC6F459931EA0ABDFA3BDAC58249495F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Values [Abstract]</link:label>
    <link:label id="lab_fhlbbost_FairValuesAbstract_CC6F459931EA0ABDFA3BDAC58249495F_documentation_en-US" xlink:label="lab_fhlbbost_FairValuesAbstract_CC6F459931EA0ABDFA3BDAC58249495F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair Values [Abstract]</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_FairValuesAbstract" xlink:label="loc_fhlbbost_FairValuesAbstract_CC6F459931EA0ABDFA3BDAC58249495F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_FairValuesAbstract_CC6F459931EA0ABDFA3BDAC58249495F" xlink:to="lab_fhlbbost_FairValuesAbstract_CC6F459931EA0ABDFA3BDAC58249495F" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueDisclosuresTextBlock_9411029A014EC769BBC7DAC58249B65D_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueDisclosuresTextBlock_9411029A014EC769BBC7DAC58249B65D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Disclosures [Text Block]</link:label>
    <link:label id="lab_us-gaap_FairValueDisclosuresTextBlock_9411029A014EC769BBC7DAC58249B65D_label_en-US" xlink:label="lab_us-gaap_FairValueDisclosuresTextBlock_9411029A014EC769BBC7DAC58249B65D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Disclosures [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="loc_us-gaap_FairValueDisclosuresTextBlock_9411029A014EC769BBC7DAC58249B65D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueDisclosuresTextBlock_9411029A014EC769BBC7DAC58249B65D" xlink:to="lab_us-gaap_FairValueDisclosuresTextBlock_9411029A014EC769BBC7DAC58249B65D" xlink:type="arc" />
    <link:label id="lab_fhlbbost_EmployeeRetirementPlansAbstract_26B44BD9044E209FDBCADAC5832DA340_label_en-US" xlink:label="lab_fhlbbost_EmployeeRetirementPlansAbstract_26B44BD9044E209FDBCADAC5832DA340" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Retirement Plans [Abstract]</link:label>
    <link:label id="lab_fhlbbost_EmployeeRetirementPlansAbstract_26B44BD9044E209FDBCADAC5832DA340_documentation_en-US" xlink:label="lab_fhlbbost_EmployeeRetirementPlansAbstract_26B44BD9044E209FDBCADAC5832DA340" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Employee Retirement Plans [Abstract]</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_EmployeeRetirementPlansAbstract" xlink:label="loc_fhlbbost_EmployeeRetirementPlansAbstract_26B44BD9044E209FDBCADAC5832DA340" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_EmployeeRetirementPlansAbstract_26B44BD9044E209FDBCADAC5832DA340" xlink:to="lab_fhlbbost_EmployeeRetirementPlansAbstract_26B44BD9044E209FDBCADAC5832DA340" xlink:type="arc" />
    <link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_D83DF3040EFD76E6A019DAC5832D9E4E_terseLabel_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_D83DF3040EFD76E6A019DAC5832D9E4E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pension and Other Postretirement Benefits Disclosure [Text Block]</link:label>
    <link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_D83DF3040EFD76E6A019DAC5832D9E4E_label_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_D83DF3040EFD76E6A019DAC5832D9E4E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension and Other Postretirement Benefits Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_D83DF3040EFD76E6A019DAC5832D9E4E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_D83DF3040EFD76E6A019DAC5832D9E4E" xlink:to="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_D83DF3040EFD76E6A019DAC5832D9E4E" xlink:type="arc" />
    <link:label id="lab_us-gaap_TradingSecuritiesAbstract_43644A39DFE07AC3F9A3DAC595B45302_label_en-US" xlink:label="lab_us-gaap_TradingSecuritiesAbstract_43644A39DFE07AC3F9A3DAC595B45302" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trading Securities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingSecuritiesAbstract" xlink:label="loc_us-gaap_TradingSecuritiesAbstract_43644A39DFE07AC3F9A3DAC595B45302" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TradingSecuritiesAbstract_43644A39DFE07AC3F9A3DAC595B45302" xlink:to="lab_us-gaap_TradingSecuritiesAbstract_43644A39DFE07AC3F9A3DAC595B45302" xlink:type="arc" />
    <link:label id="lab_fhlbbost_TradingSecuritiesAndCertainTradingAssetsDisclosureTextBlock_17562EE789E69F677B687196DC348443_terseLabel_en-US" xlink:label="lab_fhlbbost_TradingSecuritiesAndCertainTradingAssetsDisclosureTextBlock_17562EE789E69F677B687196DC348443" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trading Securities (and Certain Trading Assets) Disclosure [Text Block]</link:label>
    <link:label id="lab_fhlbbost_TradingSecuritiesAndCertainTradingAssetsDisclosureTextBlock_17562EE789E69F677B687196DC348443_label_en-US" xlink:label="lab_fhlbbost_TradingSecuritiesAndCertainTradingAssetsDisclosureTextBlock_17562EE789E69F677B687196DC348443" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trading Securities (and Certain Trading Assets) Disclosure [Text Block]</link:label>
    <link:label id="lab_fhlbbost_TradingSecuritiesAndCertainTradingAssetsDisclosureTextBlock_17562EE789E69F677B687196DC348443_documentation_en-US" xlink:label="lab_fhlbbost_TradingSecuritiesAndCertainTradingAssetsDisclosureTextBlock_17562EE789E69F677B687196DC348443" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This item represents the entire disclosure related to trading securities (and certain trading assets) which consist of all investments in certain debt and equity securities (and other assets) that are bought and held principally for the purpose of selling them in the near term(thus held for only a short period of time) or for which an entity has elected the fair value option. Trading generally reflects active and frequent buying and selling, and trading securities are generally used with the objective of generating profits on short-term differences in price, but this category of investments may also include items which are not intended to be sold in the near term or for which the fair value option has been elected.</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_TradingSecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:label="loc_fhlbbost_TradingSecuritiesAndCertainTradingAssetsDisclosureTextBlock_17562EE789E69F677B687196DC348443" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_TradingSecuritiesAndCertainTradingAssetsDisclosureTextBlock_17562EE789E69F677B687196DC348443" xlink:to="lab_fhlbbost_TradingSecuritiesAndCertainTradingAssetsDisclosureTextBlock_17562EE789E69F677B687196DC348443" xlink:type="arc" />
    <link:label id="lab_fhlbbost_DeiTableAbstract_0A9E0135DB723DFB23E7B8005D3083CD_label_en-US" xlink:label="lab_fhlbbost_DeiTableAbstract_0A9E0135DB723DFB23E7B8005D3083CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">DEI Table [Abstract]</link:label>
    <link:label id="lab_fhlbbost_DeiTableAbstract_0A9E0135DB723DFB23E7B8005D3083CD_documentation_en-US" xlink:label="lab_fhlbbost_DeiTableAbstract_0A9E0135DB723DFB23E7B8005D3083CD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">DEI Table [Abstract]</link:label>
    <link:loc xlink:href="fhlbbost-20111231.xsd#fhlbbost_DeiTableAbstract" xlink:label="loc_fhlbbost_DeiTableAbstract_0A9E0135DB723DFB23E7B8005D3083CD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fhlbbost_DeiTableAbstract_0A9E0135DB723DFB23E7B8005D3083CD" xlink:to="lab_fhlbbost_DeiTableAbstract_0A9E0135DB723DFB23E7B8005D3083CD" xlink:type="arc" />
    <link:label id="lab_dei_EntitiesTable_48FB3D2991DE06919798B80061081745_terseLabel_en-US" xlink:label="lab_dei_EntitiesTable_48FB3D2991DE06919798B80061081745" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entities [Table]</link:label>
    <link:label id="lab_dei_EntitiesTable_48FB3D2991DE06919798B80061081745_label_en-US" xlink:label="lab_dei_EntitiesTable_48FB3D2991DE06919798B80061081745" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entities [Table]</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntitiesTable" xlink:label="loc_dei_EntitiesTable_48FB3D2991DE06919798B80061081745" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntitiesTable_48FB3D2991DE06919798B80061081745" xlink:to="lab_dei_EntitiesTable_48FB3D2991DE06919798B80061081745" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonClassAMember_C4DCB58765764E536FB6775B8605231F_terseLabel_en-US" xlink:label="lab_us-gaap_CommonClassAMember_C4DCB58765764E536FB6775B8605231F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital Stock Class A - Putable</link:label>
    <link:label id="lab_us-gaap_CommonClassAMember_C4DCB58765764E536FB6775B8605231F_label_en-US" xlink:label="lab_us-gaap_CommonClassAMember_C4DCB58765764E536FB6775B8605231F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Class A [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonClassAMember" xlink:label="loc_us-gaap_CommonClassAMember_C4DCB58765764E536FB6775B8605231F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonClassAMember_C4DCB58765764E536FB6775B8605231F" xlink:to="lab_us-gaap_CommonClassAMember_C4DCB58765764E536FB6775B8605231F" xlink:type="arc" />
    <link:label id="lab_dei_LegalEntityAxis_5BA6938A99156D8BCED2B800610802AE_terseLabel_en-US" xlink:label="lab_dei_LegalEntityAxis_5BA6938A99156D8BCED2B800610802AE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Legal Entity [Axis]</link:label>
    <link:label id="lab_dei_LegalEntityAxis_5BA6938A99156D8BCED2B800610802AE_label_en-US" xlink:label="lab_dei_LegalEntityAxis_5BA6938A99156D8BCED2B800610802AE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Legal Entity [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_5BA6938A99156D8BCED2B800610802AE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LegalEntityAxis_5BA6938A99156D8BCED2B800610802AE" xlink:to="lab_dei_LegalEntityAxis_5BA6938A99156D8BCED2B800610802AE" xlink:type="arc" />
    <link:label id="lab_dei_EntityDomain_72B9FDCDF3B76666F805B8006108FE73_terseLabel_en-US" xlink:label="lab_dei_EntityDomain_72B9FDCDF3B76666F805B8006108FE73" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity [Domain]</link:label>
    <link:label id="lab_dei_EntityDomain_72B9FDCDF3B76666F805B8006108FE73_label_en-US" xlink:label="lab_dei_EntityDomain_72B9FDCDF3B76666F805B8006108FE73" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_72B9FDCDF3B76666F805B8006108FE73" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityDomain_72B9FDCDF3B76666F805B8006108FE73" xlink:to="lab_dei_EntityDomain_72B9FDCDF3B76666F805B8006108FE73" xlink:type="arc" />
    <link:label id="lab_dei_EntityInformationLineItems_BA1A7710A6D4EFF8C168B80061080A2D_terseLabel_en-US" xlink:label="lab_dei_EntityInformationLineItems_BA1A7710A6D4EFF8C168B80061080A2D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Information [Line Items]</link:label>
    <link:label id="lab_dei_EntityInformationLineItems_BA1A7710A6D4EFF8C168B80061080A2D_label_en-US" xlink:label="lab_dei_EntityInformationLineItems_BA1A7710A6D4EFF8C168B80061080A2D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Information [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityInformationLineItems" xlink:label="loc_dei_EntityInformationLineItems_BA1A7710A6D4EFF8C168B80061080A2D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityInformationLineItems_BA1A7710A6D4EFF8C168B80061080A2D" xlink:to="lab_dei_EntityInformationLineItems_BA1A7710A6D4EFF8C168B80061080A2D" xlink:type="arc" />
    <link:label id="lab_dei_DocumentType_DCBC4BF990ED2E165BFBB802BD354386_terseLabel_en-US" xlink:label="lab_dei_DocumentType_DCBC4BF990ED2E165BFBB802BD354386" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:label id="lab_dei_DocumentType_DCBC4BF990ED2E165BFBB802BD354386_label_en-US" xlink:label="lab_dei_DocumentType_DCBC4BF990ED2E165BFBB802BD354386" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType_DCBC4BF990ED2E165BFBB802BD354386" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentType_DCBC4BF990ED2E165BFBB802BD354386" xlink:to="lab_dei_DocumentType_DCBC4BF990ED2E165BFBB802BD354386" xlink:type="arc" />
    <link:label id="lab_dei_DocumentPeriodEndDate_9EB79768526954A7A69EB802DA23674E_terseLabel_en-US" xlink:label="lab_dei_DocumentPeriodEndDate_9EB79768526954A7A69EB802DA23674E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Period End Date</link:label>
    <link:label id="lab_dei_DocumentPeriodEndDate_9EB79768526954A7A69EB802DA23674E_label_en-US" xlink:label="lab_dei_DocumentPeriodEndDate_9EB79768526954A7A69EB802DA23674E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Period End Date</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_9EB79768526954A7A69EB802DA23674E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentPeriodEndDate_9EB79768526954A7A69EB802DA23674E" xlink:to="lab_dei_DocumentPeriodEndDate_9EB79768526954A7A69EB802DA23674E" xlink:type="arc" />
    <link:label id="lab_dei_AmendmentFlag_991F48F9C94EE29D780CB802F67506F2_terseLabel_en-US" xlink:label="lab_dei_AmendmentFlag_991F48F9C94EE29D780CB802F67506F2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amendment Flag</link:label>
    <link:label id="lab_dei_AmendmentFlag_991F48F9C94EE29D780CB802F67506F2_label_en-US" xlink:label="lab_dei_AmendmentFlag_991F48F9C94EE29D780CB802F67506F2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amendment Flag</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_991F48F9C94EE29D780CB802F67506F2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AmendmentFlag_991F48F9C94EE29D780CB802F67506F2" xlink:to="lab_dei_AmendmentFlag_991F48F9C94EE29D780CB802F67506F2" xlink:type="arc" />
    <link:label id="lab_dei_EntityRegistrantName_D6D0F94F2DC43BB23380B8030EC091B7_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName_D6D0F94F2DC43BB23380B8030EC091B7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:label id="lab_dei_EntityRegistrantName_D6D0F94F2DC43BB23380B8030EC091B7_label_en-US" xlink:label="lab_dei_EntityRegistrantName_D6D0F94F2DC43BB23380B8030EC091B7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_D6D0F94F2DC43BB23380B8030EC091B7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityRegistrantName_D6D0F94F2DC43BB23380B8030EC091B7" xlink:to="lab_dei_EntityRegistrantName_D6D0F94F2DC43BB23380B8030EC091B7" xlink:type="arc" />
    <link:label id="lab_dei_EntityCentralIndexKey_67883837A6E5A87BE1D6B8032B60DCB2_terseLabel_en-US" xlink:label="lab_dei_EntityCentralIndexKey_67883837A6E5A87BE1D6B8032B60DCB2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:label id="lab_dei_EntityCentralIndexKey_67883837A6E5A87BE1D6B8032B60DCB2_label_en-US" xlink:label="lab_dei_EntityCentralIndexKey_67883837A6E5A87BE1D6B8032B60DCB2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_67883837A6E5A87BE1D6B8032B60DCB2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCentralIndexKey_67883837A6E5A87BE1D6B8032B60DCB2" xlink:to="lab_dei_EntityCentralIndexKey_67883837A6E5A87BE1D6B8032B60DCB2" xlink:type="arc" />
    <link:label id="lab_dei_CurrentFiscalYearEndDate_1D4B7551EBCE12C9F403B803558CC626_terseLabel_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate_1D4B7551EBCE12C9F403B803558CC626" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:label id="lab_dei_CurrentFiscalYearEndDate_1D4B7551EBCE12C9F403B803558CC626_label_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate_1D4B7551EBCE12C9F403B803558CC626" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_1D4B7551EBCE12C9F403B803558CC626" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CurrentFiscalYearEndDate_1D4B7551EBCE12C9F403B803558CC626" xlink:to="lab_dei_CurrentFiscalYearEndDate_1D4B7551EBCE12C9F403B803558CC626" xlink:type="arc" />
    <link:label id="lab_dei_EntityFilerCategory_BFB50036E6C2E6D033EDB8036E06E332_terseLabel_en-US" xlink:label="lab_dei_EntityFilerCategory_BFB50036E6C2E6D033EDB8036E06E332" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Filer Category</link:label>
    <link:label id="lab_dei_EntityFilerCategory_BFB50036E6C2E6D033EDB8036E06E332_label_en-US" xlink:label="lab_dei_EntityFilerCategory_BFB50036E6C2E6D033EDB8036E06E332" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Filer Category</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_BFB50036E6C2E6D033EDB8036E06E332" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFilerCategory_BFB50036E6C2E6D033EDB8036E06E332" xlink:to="lab_dei_EntityFilerCategory_BFB50036E6C2E6D033EDB8036E06E332" xlink:type="arc" />
    <link:label id="lab_dei_DocumentFiscalYearFocus_62CF36169A6EB82B4DF1B8038D84C18D_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus_62CF36169A6EB82B4DF1B8038D84C18D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalYearFocus_62CF36169A6EB82B4DF1B8038D84C18D_label_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus_62CF36169A6EB82B4DF1B8038D84C18D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_62CF36169A6EB82B4DF1B8038D84C18D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalYearFocus_62CF36169A6EB82B4DF1B8038D84C18D" xlink:to="lab_dei_DocumentFiscalYearFocus_62CF36169A6EB82B4DF1B8038D84C18D" xlink:type="arc" />
    <link:label id="lab_dei_DocumentFiscalPeriodFocus_15558389799B8633A895B803A54259B1_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus_15558389799B8633A895B803A54259B1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalPeriodFocus_15558389799B8633A895B803A54259B1_label_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus_15558389799B8633A895B803A54259B1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus_15558389799B8633A895B803A54259B1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalPeriodFocus_15558389799B8633A895B803A54259B1" xlink:to="lab_dei_DocumentFiscalPeriodFocus_15558389799B8633A895B803A54259B1" xlink:type="arc" />
    <link:label id="lab_dei_EntityCommonStockSharesOutstanding_28CB8F891E67F46D7E8A775A14B62CE8_terseLabel_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding_28CB8F891E67F46D7E8A775A14B62CE8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:label id="lab_dei_EntityCommonStockSharesOutstanding_28CB8F891E67F46D7E8A775A14B62CE8_label_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding_28CB8F891E67F46D7E8A775A14B62CE8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_28CB8F891E67F46D7E8A775A14B62CE8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCommonStockSharesOutstanding_28CB8F891E67F46D7E8A775A14B62CE8" xlink:to="lab_dei_EntityCommonStockSharesOutstanding_28CB8F891E67F46D7E8A775A14B62CE8" xlink:type="arc" />
    <link:label id="lab_dei_EntityWellKnownSeasonedIssuer_21800F0B1175D5E6339BB5183F9FD975_terseLabel_en-US" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer_21800F0B1175D5E6339BB5183F9FD975" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Well-known Seasoned Issuer</link:label>
    <link:label id="lab_dei_EntityWellKnownSeasonedIssuer_21800F0B1175D5E6339BB5183F9FD975_label_en-US" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer_21800F0B1175D5E6339BB5183F9FD975" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Well-known Seasoned Issuer</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer_21800F0B1175D5E6339BB5183F9FD975" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityWellKnownSeasonedIssuer_21800F0B1175D5E6339BB5183F9FD975" xlink:to="lab_dei_EntityWellKnownSeasonedIssuer_21800F0B1175D5E6339BB5183F9FD975" xlink:type="arc" />
    <link:label id="lab_dei_EntityVoluntaryFilers_B1E4283C8EAC00E4EC66B518A5BA2548_terseLabel_en-US" xlink:label="lab_dei_EntityVoluntaryFilers_B1E4283C8EAC00E4EC66B518A5BA2548" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Voluntary Filers</link:label>
    <link:label id="lab_dei_EntityVoluntaryFilers_B1E4283C8EAC00E4EC66B518A5BA2548_label_en-US" xlink:label="lab_dei_EntityVoluntaryFilers_B1E4283C8EAC00E4EC66B518A5BA2548" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Voluntary Filers</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="loc_dei_EntityVoluntaryFilers_B1E4283C8EAC00E4EC66B518A5BA2548" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityVoluntaryFilers_B1E4283C8EAC00E4EC66B518A5BA2548" xlink:to="lab_dei_EntityVoluntaryFilers_B1E4283C8EAC00E4EC66B518A5BA2548" xlink:type="arc" />
    <link:label id="lab_dei_EntityCurrentReportingStatus_8B748401DE364E0F750FB518C661FC0B_terseLabel_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus_8B748401DE364E0F750FB518C661FC0B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Current Reporting Status</link:label>
    <link:label id="lab_dei_EntityCurrentReportingStatus_8B748401DE364E0F750FB518C661FC0B_label_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus_8B748401DE364E0F750FB518C661FC0B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Current Reporting Status</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="loc_dei_EntityCurrentReportingStatus_8B748401DE364E0F750FB518C661FC0B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCurrentReportingStatus_8B748401DE364E0F750FB518C661FC0B" xlink:to="lab_dei_EntityCurrentReportingStatus_8B748401DE364E0F750FB518C661FC0B" xlink:type="arc" />
    <link:label id="lab_dei_EntityPublicFloat_61182D0574C29ADF7ED712C82B22ECBC_terseLabel_en-US" xlink:label="lab_dei_EntityPublicFloat_61182D0574C29ADF7ED712C82B22ECBC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Public Float</link:label>
    <link:label id="lab_dei_EntityPublicFloat_61182D0574C29ADF7ED712C82B22ECBC_label_en-US" xlink:label="lab_dei_EntityPublicFloat_61182D0574C29ADF7ED712C82B22ECBC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Public Float</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityPublicFloat" xlink:label="loc_dei_EntityPublicFloat_61182D0574C29ADF7ED712C82B22ECBC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityPublicFloat_61182D0574C29ADF7ED712C82B22ECBC" xlink:to="lab_dei_EntityPublicFloat_61182D0574C29ADF7ED712C82B22ECBC" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockMember_7379F47F1400F40D9BF8C24BCF13B752_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockMember_7379F47F1400F40D9BF8C24BCF13B752" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common Stock [Member]</link:label>
    <link:label id="lab_us-gaap_CommonStockMember_7379F47F1400F40D9BF8C24BCF13B752_label_en-US" xlink:label="lab_us-gaap_CommonStockMember_7379F47F1400F40D9BF8C24BCF13B752" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_7379F47F1400F40D9BF8C24BCF13B752" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockMember_7379F47F1400F40D9BF8C24BCF13B752" xlink:to="lab_us-gaap_CommonStockMember_7379F47F1400F40D9BF8C24BCF13B752" xlink:type="arc" />
    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral_6D82EDA005C46A118B16C24BCFDEFE7A_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral_6D82EDA005C46A118B16C24BCFDEFE7A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Available-for-sale securities pledged as collateral that may be repledged</link:label>
    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral_6D82EDA005C46A118B16C24BCFDEFE7A_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral_6D82EDA005C46A118B16C24BCFDEFE7A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Available-for-sale Securities Pledged as Collateral</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral_6D82EDA005C46A118B16C24BCFDEFE7A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral_6D82EDA005C46A118B16C24BCFDEFE7A" xlink:to="lab_us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral_6D82EDA005C46A118B16C24BCFDEFE7A" xlink:type="arc" />
    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesPledgedAsCollateral_3CA67670E29810F6D426C24BCFBFA1A5_terseLabel_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesPledgedAsCollateral_3CA67670E29810F6D426C24BCFBFA1A5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Held-to-maturity securities pledged as collateral that may be repledged</link:label>
    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesPledgedAsCollateral_3CA67670E29810F6D426C24BCFBFA1A5_label_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesPledgedAsCollateral_3CA67670E29810F6D426C24BCFBFA1A5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Held-to-maturity Securities Pledged as Collateral</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HeldToMaturitySecuritiesPledgedAsCollateral" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesPledgedAsCollateral_3CA67670E29810F6D426C24BCFBFA1A5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesPledgedAsCollateral_3CA67670E29810F6D426C24BCFBFA1A5" xlink:to="lab_us-gaap_HeldToMaturitySecuritiesPledgedAsCollateral_3CA67670E29810F6D426C24BCFBFA1A5" xlink:type="arc" />
    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesFairValue_36C85CFAA4CCD02BC67EC24BCF71046A_terseLabel_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesFairValue_36C85CFAA4CCD02BC67EC24BCF71046A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair values of held-to-maturity securities</link:label>
    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesFairValue_36C85CFAA4CCD02BC67EC24BCF71046A_label_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesFairValue_36C85CFAA4CCD02BC67EC24BCF71046A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Held-to-maturity Securities, Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HeldToMaturitySecuritiesFairValue" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesFairValue_36C85CFAA4CCD02BC67EC24BCF71046A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue_36C85CFAA4CCD02BC67EC24BCF71046A" xlink:to="lab_us-gaap_HeldToMaturitySecuritiesFairValue_36C85CFAA4CCD02BC67EC24BCF71046A" xlink:type="arc" />
    <link:label id="lab_us-gaap_LoansAndLeasesReceivableAllowance_79FB82CF1B87FA2C4C64C24BCF324A02_terseLabel_en-US" xlink:label="lab_us-gaap_LoansAndLeasesReceivableAllowance_79FB82CF1B87FA2C4C64C24BCF324A02" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Allowance for credit losses</link:label>
    <link:label id="lab_us-gaap_LoansAndLeasesReceivableAllowance_79FB82CF1B87FA2C4C64C24BCF324A02_label_en-US" xlink:label="lab_us-gaap_LoansAndLeasesReceivableAllowance_79FB82CF1B87FA2C4C64C24BCF324A02" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans and Leases Receivable, Allowance</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LoansAndLeasesReceivableAllowance" xlink:label="loc_us-gaap_LoansAndLeasesReceivableAllowance_79FB82CF1B87FA2C4C64C24BCF324A02" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansAndLeasesReceivableAllowance_79FB82CF1B87FA2C4C64C24BCF324A02" xlink:to="lab_us-gaap_LoansAndLeasesReceivableAllowance_79FB82CF1B87FA2C4C64C24BCF324A02" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockSharesIssued_51EB7045A3CEA6CA6F81C24BCF529793_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued_51EB7045A3CEA6CA6F81C24BCF529793" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital stock, Class B, putable shares issued</link:label>
    <link:label id="lab_us-gaap_CommonStockSharesIssued_51EB7045A3CEA6CA6F81C24BCF529793_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued_51EB7045A3CEA6CA6F81C24BCF529793" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Shares, Issued</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_51EB7045A3CEA6CA6F81C24BCF529793" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesIssued_51EB7045A3CEA6CA6F81C24BCF529793" xlink:to="lab_us-gaap_CommonStockSharesIssued_51EB7045A3CEA6CA6F81C24BCF529793" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_04CCD9931123E4F608DEC24BCF80EDE9_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_04CCD9931123E4F608DEC24BCF80EDE9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital stock, Class B, putable par value</link:label>
    <link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_04CCD9931123E4F608DEC24BCF80EDE9_label_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_04CCD9931123E4F608DEC24BCF80EDE9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Par or Stated Value Per Share</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_04CCD9931123E4F608DEC24BCF80EDE9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockParOrStatedValuePerShare_04CCD9931123E4F608DEC24BCF80EDE9" xlink:to="lab_us-gaap_CommonStockParOrStatedValuePerShare_04CCD9931123E4F608DEC24BCF80EDE9" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockSharesOutstanding_054ED10B9BB0EB75C283C24BCFA059B4_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_054ED10B9BB0EB75C283C24BCFA059B4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital stock, Class B, putable shares outstanding</link:label>
    <link:label id="lab_us-gaap_CommonStockSharesOutstanding_054ED10B9BB0EB75C283C24BCFA059B4_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_054ED10B9BB0EB75C283C24BCFA059B4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Shares, Outstanding</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_054ED10B9BB0EB75C283C24BCFA059B4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesOutstanding_054ED10B9BB0EB75C283C24BCFA059B4" xlink:to="lab_us-gaap_CommonStockSharesOutstanding_054ED10B9BB0EB75C283C24BCFA059B4" xlink:type="arc" />
  </link:labelLink>
</link:linkbase>
