| **INVESTMENTS IN OPERATING PARTNERSHIPS**                   | 9 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           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| **Equity Method Investments and Joint Ventures [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            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| Equity Method Investments [Text Block]                      | NOTE D - INVESTMENTS IN OPERATING PARTNERSHIPS At December 31, 2011 and 2010, the Partnership had limited partnership interests in 7 and 18 Operating Partnerships, respectively, which own operating apartment complexes as follows: Series 2011  2010 1  -   4 2  -   1 3  7   9 4  -   3 5  -   1 6  -   -     7   18  Under the terms of the Partnership's investment in each Operating Partnership, the Partnership was required to make capital contributions to the Operating Partnerships. These contributions were payable in installments over several years upon each Operating Partnership achieving specified levels of construction and/or operations. At December 31, 2011 and 2010, all capital contributions had been paid. During the nine months ended December 31, 2011 the Partnership disposed of ten Operating Partnerships of which one Operating Partnership was included in both Series 2 and 5. A summary of the dispositions by Series for December 31, 2011 is as follows:    OperatingPartnershipInterestTransferred  Sale ofUnderlyingOperatingPartnership  PartnershipProceeds fromDisposition *  Gain/(Loss)onDisposition Series 1  4   -  $5,000  $5,000 Series 2  1   -   -   - Series 3  1   1   -   65,458 Series 4  3   -   11,993   11,993 Series 5  1   -   -   - Series 6  -   -   -   - Total  10   1  $16,993  $82,451   * Fund proceeds from disposition does not include the following amounts recorded as receivable at December 31, 2011, $65,458 for Series 3. During the nine months ended December 31, 2010 the Partnership disposed of one Operating Partnership and received additional proceeds from one Operating Partnership disposed of in the prior year. A summary of the dispositions by Series for December 31, 2010 is as follows:   OperatingPartnershipInterestTransferred  Sale ofUnderlyingOperatingPartnership  PartnershipProceeds fromDisposition  Gain/(Loss)onDisposition Series 1  -   -  $-  $- Series 2  -   -   -   - Series 3  1   -   -   - Series 4  -   -   7,183   7,183 Series 5  -   -   -   - Series 6  -   -   -   - Total  1   -  $7,183  $7,183  The gain (loss) described above is for financial statement purposes only. There are significant differences between the equity method of accounting and the tax reporting of income and losses from Operating Partnership investments. The largest difference is the ability, for tax purposes, to deduct losses in excess of the Partnership’s investment in the Operating Partnership. As a result, the amount of gain recognized for tax purposes may be significantly higher than the gain recorded in the financial statements. The Partnership's fiscal year ends March 31st of each year, while all the Operating Partnerships' fiscal years are the calendar year. Pursuant to the provisions of each Operating Partnership Agreement, financial results for each of the Operating Partnerships are provided to the Partnership within 45 days after the close of each Operating Partnership's quarterly period. Accordingly, the current financial results available for the Operating Partnerships are for the nine months ended September 30, 2011. The combined condensed unaudited summarized statements of operations of the Operating Partnerships for the nine months ended September 30, 2011 and 2010 are as follows: COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONSNine Months ended September 30,(Unaudited)    2011  2010         Revenues              Rental $1,065,356  $3,060,405           Interest and other  27,030   134,082               1,092,386   3,194,487           Expenses                  Interest  126,339   755,299           Depreciation and amortization  252,191   810,345           Operating expenses  869,546   2,425,982     1,248,076   3,991,626           NET LOSS $(155,690) $(797,139)          Net loss allocated to Boston Capital Tax Credit Fund Limited Partnership * $(154,133) $(789,168)          Net loss allocated to other Partners $(1,557) $(7,971) * Amounts include $154,133 and $789,168 for 2011 and 2010, respectively, of loss not recognized under the equity method of accounting. The Partnership accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Partnership adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Partnership recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income. COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONSNine Months ended September 30,(Unaudited) Series 1    2011  2010         Revenues              Rental $-  $557,739           Interest and other  -   20,642               -   578,381           Expenses                  Interest  -   74,500           Depreciation and amortization  -   164,180           Operating expenses  -   434,520     -   673,200           NET LOSS $-  $(94,819)          Net loss allocated to Boston Capital Tax Credit Fund Limited Partnership * $-  $(93,871)          Net loss allocated to other Partners $-  $(948) * Amounts include $0 and $93,871 for 2011 and 2010, respectively, of loss not recognized under the equity method of accounting. The Partnership accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Partnership adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Partnership recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income. COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONSNine Months ended September 30,(Unaudited) Series 2    2011  2010         Revenues              Rental $-  $537,142           Interest and other  -   38,838               -   575,980           Expenses                  Interest  -   267,890           Depreciation and amortization  -   124,403           Operating expenses  -   496,243     -   888,536           NET LOSS $-  $(312,556)          Net loss allocated to Boston Capital Tax Credit Fund Limited Partnership * $-  $(309,430)          Net loss allocated to other Partners $-  $(3,126) * Amounts include $0 and $309,430 for 2011 and 2010, respectively, of loss not recognized under the equity method of accounting. The Partnership accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Partnership adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Partnership recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income. COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONSNine Months ended September 30,(Unaudited)Series 3   2011  2010         Revenues              Rental $1,065,356  $1,233,913           Interest and other  27,030   35,670               1,092,386   1,269,583           Expenses                  Interest  126,339   159,352           Depreciation and amortization  252,191   308,597           Operating expenses  869,546   960,517     1,248,076   1,428,466           NET LOSS $(155,690) $(158,883)          Net loss allocated to Boston Capital Tax Credit Fund Limited Partnership * $(154,133) $(157,294)          Net loss allocated to other partners $ (1,557) $(1,589) * Amounts include $154,133 and $157,294 for 2011 and 2010, respectively, of loss not recognized under the equity method of accounting. The Partnership accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Partnership adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Partnership recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income. COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONSNine Months ended September 30,(Unaudited) Series 4    2011  2010         Revenues              Rental $-  $432,863           Interest and other  -   17,331               -   450,194           Expenses                  Interest  -   104,562           Depreciation and amortization  -   143,974           Operating expenses  -   258,702     -   507,238           NET LOSS $-  $(57,044)          Net income loss allocated to Boston Capital Tax Credit Fund Limited Partnership * $-  $(56,474)          Net loss allocated to other Partners $-  $(570) * Amounts include $0 and $56,474 for 2011 and 2010, respectively, of loss not recognized under the equity method of accounting. The Partnership accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Partnership adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Partnership recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income. COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONSNine Months ended September 30,(Unaudited) Series 5    2011  2010         Revenues              Rental $-  $298,748           Interest and other  -   21,601               -   320,349           Expenses                  Interest  -   148,995           Depreciation and amortization  -   69,191           Operating expenses  -   276,000     -   494,186           NET LOSS $-  $(173,837)          Net loss allocated to Boston Capital Tax Credit Fund Limited Partnership * $-  $(172,099)          Net loss allocated to other Partners $-  $(1,738) * Amounts include $0 and $172,099 for 2011 and 2010, respectively, of loss not recognized under the equity method of accounting. The Partnership accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Partnership adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Partnership recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income. COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONSNine Months ended September 30,(Unaudited) Series 6    2011  2010         Revenues              Rental $-  $-           Interest and other  -   -               -   -           Expenses                  Interest  -   -           Depreciation and amortization  -   -           Operating expenses  -   -     -   -           NET LOSS $-  $-           Net loss allocated to Boston Capital Tax Credit Fund Limited Partnership * $-  $-           Net loss allocated to other Partners $-  $-  *Amounts include $0, for both 2011 and 2010, of loss not recognized under the equity method of accounting. The Partnership accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Partnership adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Partnership recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income. |

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| - Definition
The entire disclosure for equity investment, or group of investments, for which combined disclosure is appropriate, including: (a) the name of each investee and percentage of ownership of common stock, (b) accounting policies for investments in common stock, (c) difference between the amount at which the investment is carried and the amount of underlying equity in net assets and the accounting treatment of the difference, (d) the total fair value of each identified investment for which a market value is available, (e) summarized information as to assets, liabilities, and results of operations of the investees (for investments in unconsolidated subsidiaries, common stock of joint ventures, or other investments using the equity method), and (f) material effects of possible conversions, exercises, or contingent issuances of the investee. Other disclosures include (a) the names of any investee in which the investor owns 20 percent or more of the voting stock and investment is not accounted for using the equity method, and the reasons why not, and (b) the names of any investee in which the investor owns less than 20 percent of the voting stock and the investment is accounted for using the equity method, and the reasons why it is.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 35 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=6903645&loc=d3e32787-111569Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 20 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.  This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 35 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=6903645&loc=d3e32847-111569
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