CONDENSED BALANCE SHEETS - USD ($)	Sep. 30, 2019	Mar. 31, 2019
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	$ 0	$ 0
OTHER ASSETS
Cash and cash equivalents	31,652,589	22,926,529
Other assets	15,088	40,088
ASSETS	31,667,677	22,966,617
LIABILITIES
Accounts payable and accrued expenses	541,272	550,316
Accounts payable affiliates (Note C)	16,957,211	19,302,918
Capital contributions payable	18,992	44,094
LIABILITIES	17,517,475	19,897,328
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	14,626,888	3,656,782
General Partner	(476,686)	(587,493)
PARTNERS' CAPITAL (DEFICIT)	14,150,202	3,069,289
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	31,667,677	22,966,617
Series Twenty [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	0	0
Other assets	0	0
ASSETS	0	0
LIABILITIES
Accounts payable and accrued expenses	0	0
Accounts payable affiliates (Note C)	0	0
Capital contributions payable	0	0
LIABILITIES	0	0
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	(754,767)	(754,767)
General Partner	754,767	754,767
PARTNERS' CAPITAL (DEFICIT)	0	0
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	0	0
Series Twenty One [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	0	0
Other assets	0	0
ASSETS	0	0
LIABILITIES
Accounts payable and accrued expenses	0	0
Accounts payable affiliates (Note C)	0	0
Capital contributions payable	0	0
LIABILITIES	0	0
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	(898,231)	(898,231)
General Partner	898,231	898,231
PARTNERS' CAPITAL (DEFICIT)	0	0
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	0	0
Series Twenty Two [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	0	0
Other assets	0	0
ASSETS	0	0
LIABILITIES
Accounts payable and accrued expenses	0	0
Accounts payable affiliates (Note C)	0	0
Capital contributions payable	0	0
LIABILITIES	0	0
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	(2,448,362)	(2,448,362)
General Partner	2,448,362	2,448,362
PARTNERS' CAPITAL (DEFICIT)	0	0
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	0	0
Series Twenty Three [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	0	0
Other assets	0	0
ASSETS	0	0
LIABILITIES
Accounts payable and accrued expenses	0	0
Accounts payable affiliates (Note C)	0	0
Capital contributions payable	0	0
LIABILITIES	0	0
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	(224,264)	(224,264)
General Partner	224,264	224,264
PARTNERS' CAPITAL (DEFICIT)	0	0
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	0	0
Series Twenty Four [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	362,191	402,018
Other assets	0	0
ASSETS	362,191	402,018
LIABILITIES
Accounts payable and accrued expenses	0	0
Accounts payable affiliates (Note C)	0	0
Capital contributions payable	0	0
LIABILITIES	0	0
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	537,821	577,250
General Partner	(175,630)	(175,232)
PARTNERS' CAPITAL (DEFICIT)	362,191	402,018
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	362,191	402,018
Series Twenty Five [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	0	0
Other assets	0	0
ASSETS	0	0
LIABILITIES
Accounts payable and accrued expenses	0	0
Accounts payable affiliates (Note C)	0	0
Capital contributions payable	0	0
LIABILITIES	0	0
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	219,815	219,815
General Partner	(219,815)	(219,815)
PARTNERS' CAPITAL (DEFICIT)	0	0
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	0	0
Series Twenty Six [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	498,271	554,439
Other assets	0	0
ASSETS	498,271	554,439
LIABILITIES
Accounts payable and accrued expenses	0	0
Accounts payable affiliates (Note C)	0	0
Capital contributions payable	0	0
LIABILITIES	0	0
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	811,631	867,237
General Partner	(313,360)	(312,798)
PARTNERS' CAPITAL (DEFICIT)	498,271	554,439
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	498,271	554,439
Series Twenty Seven [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	7,301,073	6,500,234
Other assets	0	0
ASSETS	7,301,073	6,500,234
LIABILITIES
Accounts payable and accrued expenses	0	0
Accounts payable affiliates (Note C)	0	0
Capital contributions payable	0	0
LIABILITIES	0	0
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	7,434,510	6,641,679
General Partner	(133,437)	(141,445)
PARTNERS' CAPITAL (DEFICIT)	7,301,073	6,500,234
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	7,301,073	6,500,234
Series Twenty Eight [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	660,142	690,605
Other assets	0	0
ASSETS	660,142	690,605
LIABILITIES
Accounts payable and accrued expenses	0	0
Accounts payable affiliates (Note C)	0	0
Capital contributions payable	0	0
LIABILITIES	0	0
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	935,378	965,536
General Partner	(275,236)	(274,931)
PARTNERS' CAPITAL (DEFICIT)	660,142	690,605
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	660,142	690,605
Series Twenty Nine [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	169,323	196,944
Other assets	0	0
ASSETS	169,323	196,944
LIABILITIES
Accounts payable and accrued expenses	0	0
Accounts payable affiliates (Note C)	3,091,355	3,076,835
Capital contributions payable	785	785
LIABILITIES	3,092,140	3,077,620
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	(2,554,942)	(2,513,222)
General Partner	(367,875)	(367,454)
PARTNERS' CAPITAL (DEFICIT)	(2,922,817)	(2,880,676)
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	169,323	196,944
Series Thirty [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	0	0
Other assets	0	0
ASSETS	0	0
LIABILITIES
Accounts payable and accrued expenses	0	0
Accounts payable affiliates (Note C)	0	0
Capital contributions payable	0	0
LIABILITIES	0	0
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	(883,119)	(883,119)
General Partner	883,119	883,119
PARTNERS' CAPITAL (DEFICIT)	0	0
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	0	0
Series Thirty One [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	2,608,481	1,953,570
Other assets	0	25,000
ASSETS	2,608,481	1,978,570
LIABILITIES
Accounts payable and accrued expenses	0	0
Accounts payable affiliates (Note C)	0	0
Capital contributions payable	0	25,000
LIABILITIES	0	25,000
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	2,961,655	2,313,293
General Partner	(353,174)	(359,723)
PARTNERS' CAPITAL (DEFICIT)	2,608,481	1,953,570
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	2,608,481	1,978,570
Series Thirty Two [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	209,217	272,226
Other assets	0	0
ASSETS	209,217	272,226
LIABILITIES
Accounts payable and accrued expenses	0	0
Accounts payable affiliates (Note C)	206,905	218,525
Capital contributions payable	1,229	1,229
LIABILITIES	208,134	219,754
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	407,436	458,311
General Partner	(406,353)	(405,839)
PARTNERS' CAPITAL (DEFICIT)	1,083	52,472
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	209,217	272,226
Series Thirty Three [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	560,425	236,612
Other assets	0	0
ASSETS	560,425	236,612
LIABILITIES
Accounts payable and accrued expenses	0	0
Accounts payable affiliates (Note C)	0	1,099,287
Capital contributions payable	0	0
LIABILITIES	0	1,099,287
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	780,601	(628,268)
General Partner	(220,176)	(234,407)
PARTNERS' CAPITAL (DEFICIT)	560,425	(862,675)
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	560,425	236,612
Series Thirty Four [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	418,217	178,285
Other assets	0	0
ASSETS	418,217	178,285
LIABILITIES
Accounts payable and accrued expenses	0	0
Accounts payable affiliates (Note C)	2,713,691	2,689,830
Capital contributions payable	0	0
LIABILITIES	2,713,691	2,689,830
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	(1,972,130)	(2,186,040)
General Partner	(323,344)	(325,505)
PARTNERS' CAPITAL (DEFICIT)	(2,295,474)	(2,511,545)
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	418,217	178,285
Series Thirty Five [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	4,528,570	4,395,774
Other assets	0	0
ASSETS	4,528,570	4,395,774
LIABILITIES
Accounts payable and accrued expenses	0	0
Accounts payable affiliates (Note C)	0	0
Capital contributions payable	0	0
LIABILITIES	0	0
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	4,765,309	4,633,841
General Partner	(236,739)	(238,067)
PARTNERS' CAPITAL (DEFICIT)	4,528,570	4,395,774
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	4,528,570	4,395,774
Series Thirty Six [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	3,001,732	2,541,359
Other assets	0	0
ASSETS	3,001,732	2,541,359
LIABILITIES
Accounts payable and accrued expenses	19,806	24,706
Accounts payable affiliates (Note C)	0	0
Capital contributions payable	0	0
LIABILITIES	19,806	24,706
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	3,130,770	2,670,150
General Partner	(148,844)	(153,497)
PARTNERS' CAPITAL (DEFICIT)	2,981,926	2,516,653
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	3,001,732	2,541,359
Series Thirty Seven [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	0	0
Other assets	0	0
ASSETS	0	0
LIABILITIES
Accounts payable and accrued expenses	0	0
Accounts payable affiliates (Note C)	0	0
Capital contributions payable	0	0
LIABILITIES	0	0
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	205,359	205,359
General Partner	(205,359)	(205,359)
PARTNERS' CAPITAL (DEFICIT)	0	0
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	0	0
Series Thirty Eight [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	2,941,142	1,499,106
Other assets	0	0
ASSETS	2,941,142	1,499,106
LIABILITIES
Accounts payable and accrued expenses	0	0
Accounts payable affiliates (Note C)	0	0
Capital contributions payable	0	0
LIABILITIES	0	0
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	3,130,015	1,702,399
General Partner	(188,873)	(203,293)
PARTNERS' CAPITAL (DEFICIT)	2,941,142	1,499,106
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	2,941,142	1,499,106
Series Thirty Nine [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	0	0
Other assets	0	0
ASSETS	0	0
LIABILITIES
Accounts payable and accrued expenses	0	0
Accounts payable affiliates (Note C)	0	0
Capital contributions payable	0	0
LIABILITIES	0	0
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	196,043	196,043
General Partner	(196,043)	(196,043)
PARTNERS' CAPITAL (DEFICIT)	0	0
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	0	0
Series Forty [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	1,541,322	193,344
Other assets	0	0
ASSETS	1,541,322	193,344
LIABILITIES
Accounts payable and accrued expenses	5,356	9,500
Accounts payable affiliates (Note C)	1,075,996	2,224,213
Capital contributions payable	0	102
LIABILITIES	1,081,352	2,233,815
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	680,314	(1,795,123)
General Partner	(220,344)	(245,348)
PARTNERS' CAPITAL (DEFICIT)	459,970	(2,040,471)
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	1,541,322	193,344
Series Forty One [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	280,671	246,214
Other assets	0	0
ASSETS	280,671	246,214
LIABILITIES
Accounts payable and accrued expenses	0	0
Accounts payable affiliates (Note C)	2,581,763	2,513,609
Capital contributions payable	0	0
LIABILITIES	2,581,763	2,513,609
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	(2,028,913)	(1,995,553)
General Partner	(272,179)	(271,842)
PARTNERS' CAPITAL (DEFICIT)	(2,301,092)	(2,267,395)
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	280,671	246,214
Series Forty Two [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	1,241,624	1,300,483
Other assets	11,300	11,300
ASSETS	1,252,924	1,311,783
LIABILITIES
Accounts payable and accrued expenses	0	0
Accounts payable affiliates (Note C)	0	0
Capital contributions payable	254	254
LIABILITIES	254	254
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	1,481,081	1,539,351
General Partner	(228,411)	(227,822)
PARTNERS' CAPITAL (DEFICIT)	1,252,670	1,311,529
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	1,252,924	1,311,783
Series Forty Three [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	1,433,111	414,540
Other assets	0	0
ASSETS	1,433,111	414,540
LIABILITIES
Accounts payable and accrued expenses	0	0
Accounts payable affiliates (Note C)	0	168,259
Capital contributions payable	0	0
LIABILITIES	0	168,259
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	1,740,301	565,339
General Partner	(307,190)	(319,058)
PARTNERS' CAPITAL (DEFICIT)	1,433,111	246,281
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	1,433,111	414,540
Series Forty Four [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	2,743,422	113,020
Other assets	0	0
ASSETS	2,743,422	113,020
LIABILITIES
Accounts payable and accrued expenses	0	0
Accounts payable affiliates (Note C)	2,944,080	3,076,825
Capital contributions payable	0	0
LIABILITIES	2,944,080	3,076,825
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	38,797	(2,696,719)
General Partner	(239,455)	(267,086)
PARTNERS' CAPITAL (DEFICIT)	(200,658)	(2,963,805)
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	2,743,422	113,020
Series Forty Five [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	802,749	916,581
Other assets	0	0
ASSETS	802,749	916,581
LIABILITIES
Accounts payable and accrued expenses	516,110	516,110
Accounts payable affiliates (Note C)	2,337,637	2,334,349
Capital contributions payable	16,724	16,724
LIABILITIES	2,870,471	2,867,183
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	(1,693,383)	(1,577,434)
General Partner	(374,339)	(373,168)
PARTNERS' CAPITAL (DEFICIT)	(2,067,722)	(1,950,602)
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	802,749	916,581
Series Forty Six [Member]
ASSETS
INVESTMENTS IN OPERATING PARTNERSHIPS	0	0
OTHER ASSETS
Cash and cash equivalents	350,906	321,175
Other assets	3,788	3,788
ASSETS	354,694	324,963
LIABILITIES
Accounts payable and accrued expenses	0	0
Accounts payable affiliates (Note C)	2,005,784	1,901,186
Capital contributions payable	0	0
LIABILITIES	2,005,784	1,901,186
PARTNERS' CAPITAL (DEFICIT)
Assignees limited partner	(1,371,837)	(1,297,719)
General Partner	(279,253)	(278,504)
PARTNERS' CAPITAL (DEFICIT)	(1,651,090)	(1,576,223)
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)	$ 354,694	$ 324,963