<?xml version="1.0" encoding="us-ascii"?><InstanceReport xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><Version>2.4.0.8</Version><ReportLongName>0011 - Disclosure - NOTE 5 - ACCOUNTS RECEIVABLE</ReportLongName><DisplayLabelColumn>true</DisplayLabelColumn><ShowElementNames>false</ShowElementNames><RoundingOption /><HasEmbeddedReports>false</HasEmbeddedReports><Columns><Column FlagID="0"><Id>1</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><LabelSeparator>

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</LabelSeparator><Level>2</Level><ElementName>us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock</ElementName><ElementPrefix>us-gaap_</ElementPrefix><IsBaseElement>true</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="From2013-01-01to2013-06-30" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText>&lt;p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;NOTE 5- &amp;#9;ACCOUNTS RECEIVABLE&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;&amp;#160;&lt;/p&gt;

&lt;p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;Accounts receivable at June 30, 2013 and
December 31, 2012 are as follow:&lt;/p&gt;

&lt;p style="font: 11pt Times New Roman, Times, Serif; margin: 0 0 0 0.75in; text-indent: -0.75in"&gt;&amp;#160;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" align="center" style="border-collapse: collapse; width: 90%; font: 10pt Times New Roman, Times, Serif"&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&amp;#160;&lt;/td&gt;
    &lt;td colspan="3" style="text-align: center; border-bottom: Black 1pt solid"&gt;June 30,2013&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&amp;#160;&lt;/td&gt;
    &lt;td colspan="3" style="text-align: center; border-bottom: Black 1pt solid"&gt;December 31, 2012&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="width: 56%; text-align: left; padding-bottom: 1pt"&gt;Accounts receivable&lt;/td&gt;&lt;td style="width: 8%; padding-bottom: 1pt"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="width: 1%; border-bottom: Black 1pt solid; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 15%; border-bottom: Black 1pt solid; text-align: right"&gt;698,000&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 1pt; text-align: left"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 1pt"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="width: 1%; border-bottom: Black 1pt solid; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 16%; border-bottom: Black 1pt solid; text-align: right"&gt;850,000&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 1pt; text-align: left"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;698,000&lt;/td&gt;&lt;td style="text-align: left"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;850,000&lt;/td&gt;&lt;td style="text-align: left"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt"&gt;Less:allowance on accounts receivable&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&amp;#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;(670,000&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;)&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&amp;#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;(670,000&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;)&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left"&gt;Accounts receivable, net&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;$&lt;/td&gt;&lt;td style="text-align: right"&gt;28,000&lt;/td&gt;&lt;td style="text-align: left"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;180,000&lt;/td&gt;&lt;td style="text-align: left"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
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&lt;p style="font: 11pt Times New Roman, Times, Serif; margin: 0 0 0 0.75in; text-indent: -0.75in"&gt;&amp;#160;&lt;/p&gt;

&lt;p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;The Company was involved in disputes with the above
accounts receivable and has filed a lawsuit.&lt;/p&gt;</NonNumbericText><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell></Cells><ElementDataType>nonnum:textBlockItemType</ElementDataType><SimpleDataType>na</SimpleDataType><ElementDefenition>The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses.</ElementDefenition><ElementReferences>Reference 1: http://www.xbrl.org/2003/role/presentationRef

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