Exhibit 10.5(B)


                                                                  EXECUTION COPY




                             AMENDMENT NO. 1 TO THE
              MASTER MORTGAGE LOAN PURCHASE AND SERVICING AGREEMENT
                        (JUMBO FIXED RATE MORTGAGE LOANS)


                         (COUNTRYWIDE HOME LOANS, INC.-
                  BANC OF AMERICA MORTGAGE CAPITAL CORPORATION)



         This Amendment No. 1 (this "Amendment"), dated as of July 1, 2003, by
and among BANK OF AMERICA, N.A., a national banking association (the
"Assignee"), BANC OF AMERICA MORTGAGE CAPITAL CORPORATION, a North Carolina
corporation (the "Purchaser"), and COUNTRYWIDE HOME LOANS, INC., a New York
corporation (the "Company") is to that certain Master Mortgage Loan Purchase and
Servicing Agreement (the "Agreement"), dated as of April 1, 2003, by and between
the Purchaser and the Company. The Purchaser has previously assigned its
interest in the Agreement with respect to certain Mortgage Loans purchased from
the Company prior to the date hereof to the Assignee.

         With respect to the Agreement, the Company, the Assignee and the
Purchaser hereby agree as follows:

         1.    The definition "Accepted Servicing Practices" is amended by
inserting immediately after the language "and local law" the following, "and the
Fannie Mae Single Family Servicing Guide".

         2.    The following Section is inserted into the Agreement (and the
Table of Contents is amended accordingly):

               4.19     AUTOMATED SERVICING SYSTEMS.

               Countrywide shall setup, format, maintain and transmit to the
               Purchaser Countrywide's mortgage servicer file and other
               electronic data storage and transmission systems related to
               the Mortgage Loans (collectively, the "Servicing Systems") in
               accordance with the guidelines and requirements set forth in
               Exhibit G attached hereto (the "Servicer Requirements"), and
               Countrywide shall cooperate with the Purchaser to receive data
               from the Purchaser that is to be incorporated in the Servicing
               Systems in accordance with the Servicer Requirements.






         3.    Section 5.02 is amended by inserting the following language as
the first paragraph thereof:

               Not later than the fifth (5th) Business Day of each month,
               Countrywide shall furnish to the Purchaser, with respect to
               the preceding month, a monthly collection report, a monthly
               paid in full report that summarizes Mortgage Loans paid in
               full during the Due Period and a monthly trial balance report
               that provides a trial balance as of the last day of the month
               preceding such Remittance Date in electronic format agreed
               upon by Countrywide and the Purchaser.

         4.    The following Section is inserted into the Agreement (and the
Table of Contents is amended accordingly):

               SECTION 6.07      COOPERATION WITH THIRD-PARTY SERVICE PROVIDERS.

               Countrywide shall cooperate with the Purchaser in servicing
               the Mortgage Loans in accordance with the usual and customary
               requirements of any credit enhancement, risk management and
               other service providers and shall otherwise cooperate with the
               Purchaser in connection with such third party service
               providers and the provision of third party services; provided,
               however, that such requirements are reasonably acceptable to
               Countrywide and pose no greater risk, obligation or expense to
               Countrywide than otherwise set forth in this Agreement. Any
               additional costs and/or expenses shall be paid by the
               requesting party."

         5.    Section 8.12 is amended by inserting the following language as
the third paragraph thereof:

               Notwithstanding any other express or implied agreement to the
               contrary, the parties agree and acknowledge that each of them
               and each of their employees, representatives, and other agents
               may disclose to any and all persons, without limitation of any
               kind, the tax treatment and tax structure of the transaction
               and all materials of any kind (including opinions or other tax
               analyses) that are provided to any of them relating to such
               tax treatment and tax structure, except to the extent that
               confidentiality is reasonably necessary to comply with U.S.
               federal or state securities laws. For purposes of this
               paragraph, the terms "tax treatment" and "tax structure" have
               the meanings specified in Treasury Regulation section
               1.6011-4(c).

         6.    The language contained in Exhibit A hereto is inserted into the
Agreement as Exhibit G thereto in its entirety.


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         7.    Section 3.02(uu) is amended by deleting the word "and" following
the semi-colon (;) at the end of such Section.

         8.    Section 3.02(vv) is amended by deleting the period (.) at the end
of such Section and inserting in its place a semi-colon (;) followed by "and".

         Upon execution of this Amendment, the Agreement as it relates to
Mortgage Loans sold to the Purchaser by the Company prior to the date hereof and
owned by the Assignee as of the date hereof will be read to contain the above
amendments, and any future reference to the Agreement will mean the Agreement as
so modified. The parties hereto acknowledge that the Agreement has not been
modified or amended, except as otherwise expressly described or provided for
herein.

         Any capitalized terms not otherwise defined herein will have the
meanings assigned to them in the Agreement.



                               [SIGNATURES FOLLOW]










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         IN WITNESS HEREOF, the parties have caused their names to be signed to
this Amendment No. 1 by their respective duly authorized officers as of the date
first written above.



                                 COUNTRYWIDE HOME LOANS, INC.
                                 a New York corporation

                                 By: /s/ Celia Coulter
                                     -------------------------------------------
                                 Name: Celia Coulter
                                       -----------------------------------------
                                 Title: Executive Vice President
                                        ----------------------------------------



                                 BANC OF AMERICA MORTGAGE CAPITAL CORPORATION
                                 a North Carolina corporation

                                 By: /s/ Bruce W. Good
                                     -------------------------------------------
                                 Name: Bruce W. Good
                                       -----------------------------------------
                                 Title: Vice President
                                        ----------------------------------------



                                 BANK OF AMERICA, N.A.
                                 a national banking association

                                 By: /s/ Bruce W. Good
                                     -------------------------------------------
                                 Name: Bruce W. Good
                                       -----------------------------------------
                                 Title: Vice President
                                        ----------------------------------------



         [Signature Page to Amendment No. 1 to the CWHL MMLPSA (Jumbo)]




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                                    EXHIBIT A
                                    ---------

                              SERVICER REQUIREMENTS

o    LOADING/UPDATING INVESTOR HEADERS

     1.   Bank of America will provide investor matrix for input on Servicer
          system, if applicable. Updates/additions will occur monthly, including
          new investor header detail for each new deal that is settled.
     2.   The Servicer will load investor information upon receipt or before
          month end for inclusion on the next month-end file to Bank of America.
     3.   The Servicer will include the investor information on the Monthly
          Servicer File and the Monetary File.


o    LOADING ACCOUNT NUMBERS

     1.   Upon receipt of a funding schedule, Bank of America will deliver a
          cross reference of Servicer-to-Bank of America account numbers within
          24 hours (or same day, if last day of the month). The account numbers
          will be delivered in an electronic format that is agreed upon.
     2.   The Servicer will load account numbers upon receipt or before month
          end to ensure inclusion with the next month-end files to Bank of
          America.


o    AUTOMATED MONETARY TRANSACTION FILE

     1.   The Servicer will establish a process to feed a Monthly Servicer File
          to Bank of America that contains loan information specified in the MSF
          layout provided.
     2.   The feed will include all new loans purchased in the previous month,
          as well as a maintenance file for all existing loans in the Bank of
          America LSBO portfolio.
     3.   The file will cut-off at month-end, including any changes or
          transactions that occur on the last day of the month.
     4.   The file will be transmitted from the Servicer to the specified
          mailbox at Bank of America.
     5.   Bank of America will receive and process the electronic file on the
          first business day of the month for the previous month-end file.
     6.   The Servicer will provide an email providing file details for
          balancing.

o    MONTHLY SERVICER FILE - ONGOING PROCESS

     1.   The Servicer will establish a process to feed a Monthly Servicer File
          (MSF) to Bank of America that contains loan information specified in
          the MSF layout provided.



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     2.   The feed will include all new loans purchased in the previous month,
          as well as a maintenance file for all existing loans in the Bank of
          America LSBO portfolio.
     3.   The file will cut-off at month-end, including any changes or
          transactions that occur on the last day of the month.
     4.   The file will be transmitted from the Servicer to the specified
          mailbox at Bank of America.
     5.   Bank of America will receive and process the electronic file on the
          first business day of the month for the previous month-end file.
     6.   The Servicer will provide an email providing file details for
          balancing.


o    MONTHLY SERVICER FILE - TEST FILE

For testing purposes, Bank of America requests a sample file that represents the
Monthly Servicer File.

     1.   The Servicer will load/update investor header information received
          from Bank of America.
     2.   Bank of America will receive and process the file on the first
          business day of the month for the previous month-end file.
     3.   The Servicer will provide an email providing file details for
          balancing.


o    REPORTING REQUIREMENTS

The Servicer will provide the following reports to Bank of America by the 1st
business day of the month, unless otherwise specified. Reports will be provided
in an electronic format, unless otherwise specified. The reports listed below
are required for the LSBO project; reports in addition to these may also be
required.

The description of these reports is as follows:

     o    COLLECTION REPORT - Report that summarizes the collections made during
          the reporting period.

     o    PAID IN FULL REPORT - Report that summarizes paid in full loans made
          during the reporting period.

     o    TRIAL BALANCE REPORT - Monthly statement of mortgage accounts or a
          trial balance as of the cutoff date.

     o    SCHEDULED REMITTANCE REPORTS - Servicers send on a monthly basis. We
          would like this report by the 5th business day.

     o    DELINQUENCY REPORT - Report from the servicer to be sent by the 5th
          business day. LSBO would like this report sent via e-mail or fax.


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