CONDENSED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income
Interest income	$ 2,375	$ 88,130	$ 7,895	$ 157,936
Other income	69,667	104,513	118,008	212,121
Revenues	72,042	192,643	125,903	370,057
Gain on disposition of Operating Partnerships	343,992	6,966,046	430,992	11,850,663
Expenses
Professional fees	153,825	314,129	217,040	327,696
Fund management fee, net (Note C)	165,087	341,092	371,686	585,774
General and administrative expenses	96,081	122,855	158,522	226,337
Operating expenses	414,993	778,076	747,248	1,139,807
NET INCOME (LOSS)	1,041	6,380,613	(190,353)	11,080,913
Net income (loss) allocated to assignees	1,030	6,316,810	(188,449)	10,970,106
Net income (loss) allocated to general partner	$ 11	$ 63,803	$ (1,904)	$ 110,807
Net income (loss) per BAC	$ 0.00	$ 0.08	$ 0.00	$ 0.13
Series Twenty [Member]
Income
Interest income	$ 0	$ 0	$ 0	$ 0
Other income	0	0	0	0
Revenues	0	0	0	0
Gain on disposition of Operating Partnerships	0	0	0	0
Expenses
Professional fees	0	0	0	0
Fund management fee, net (Note C)	0	0	0	0
General and administrative expenses	0	0	0	0
Operating expenses	0	0	0	0
NET INCOME (LOSS)	0	0	0	0
Net income (loss) allocated to assignees	0	0	0	0
Net income (loss) allocated to general partner	$ 0	$ 0	$ 0	$ 0
Net income (loss) per BAC	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Series Twenty One [Member]
Income
Interest income	$ 0	$ 0	$ 0	$ 0
Other income	0	0	0	0
Revenues	0	0	0	0
Gain on disposition of Operating Partnerships	0	0	0	0
Expenses
Professional fees	0	0	0	0
Fund management fee, net (Note C)	0	0	0	0
General and administrative expenses	0	0	0	0
Operating expenses	0	0	0	0
NET INCOME (LOSS)	0	0	0	0
Net income (loss) allocated to assignees	0	0	0	0
Net income (loss) allocated to general partner	$ 0	$ 0	$ 0	$ 0
Net income (loss) per BAC	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Series Twenty Two [Member]
Income
Interest income	$ 0	$ 0	$ 0	$ 0
Other income	0	0	0	0
Revenues	0	0	0	0
Gain on disposition of Operating Partnerships	0	0	0	0
Expenses
Professional fees	0	0	0	0
Fund management fee, net (Note C)	0	0	0	0
General and administrative expenses	0	0	0	0
Operating expenses	0	0	0	0
NET INCOME (LOSS)	0	0	0	0
Net income (loss) allocated to assignees	0	0	0	0
Net income (loss) allocated to general partner	$ 0	$ 0	$ 0	$ 0
Net income (loss) per BAC	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Series Twenty Three [Member]
Income
Interest income	$ 0	$ 0	$ 0	$ 0
Other income	0	0	0	0
Revenues	0	0	0	0
Gain on disposition of Operating Partnerships	0	0	0	0
Expenses
Professional fees	0	0	0	0
Fund management fee, net (Note C)	0	0	0	0
General and administrative expenses	0	0	0	0
Operating expenses	0	0	0	0
NET INCOME (LOSS)	0	0	0	0
Net income (loss) allocated to assignees	0	0	0	0
Net income (loss) allocated to general partner	$ 0	$ 0	$ 0	$ 0
Net income (loss) per BAC	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Series Twenty Four [Member]
Income
Interest income	$ 0	$ 894	$ 0	$ 1,683
Other income	0	0	0	1,680
Revenues	0	894	0	3,363
Gain on disposition of Operating Partnerships	0	0	0	0
Expenses
Professional fees	0	13,776	0	14,433
Fund management fee, net (Note C)	0	10,299	0	18,242
General and administrative expenses	0	5,732	0	10,515
Operating expenses	0	29,807	0	43,190
NET INCOME (LOSS)	0	(28,913)	0	(39,827)
Net income (loss) allocated to assignees	0	(28,624)	0	(39,429)
Net income (loss) allocated to general partner	$ 0	$ (289)	$ 0	$ (398)
Net income (loss) per BAC	$ 0.00	$ (0.01)	$ 0.00	$ (0.02)
Series Twenty Five [Member]
Income
Interest income	$ 0	$ 0	$ 0	$ 0
Other income	0	0	0	0
Revenues	0	0	0	0
Gain on disposition of Operating Partnerships	0	0	0	0
Expenses
Professional fees	0	0	0	0
Fund management fee, net (Note C)	0	0	0	0
General and administrative expenses	0	0	0	0
Operating expenses	0	0	0	0
NET INCOME (LOSS)	0	0	0	0
Net income (loss) allocated to assignees	0	0	0	0
Net income (loss) allocated to general partner	$ 0	$ 0	$ 0	$ 0
Net income (loss) per BAC	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Series Twenty Six [Member]
Income
Interest income	$ 169	$ 1,312	$ 844	$ 2,437
Other income	0	0		420
Revenues	169	1,312	844	2,857
Gain on disposition of Operating Partnerships	0	0
Expenses
Professional fees	12,751	16,317	18,168	16,974
Fund management fee, net (Note C)	4,282	13,938	8,564	26,876
General and administrative expenses	8,861	8,365	15,502	15,175
Operating expenses	25,894	38,620	42,234	59,025
NET INCOME (LOSS)	(25,725)	(37,308)	(41,390)	(56,168)
Net income (loss) allocated to assignees	(25,468)	(36,935)	(40,976)	(55,606)
Net income (loss) allocated to general partner	$ (257)	$ (373)	$ (414)	$ (562)
Net income (loss) per BAC	$ (0.01)	$ (0.01)	$ (0.01)	$ (0.01)
Series Twenty Seven [Member]
Income
Interest income	$ 0	$ 19,771	$ 0	$ 40,073
Other income	0	15,472	0	15,472
Revenues	0	35,243	0	55,545
Gain on disposition of Operating Partnerships	0	776,922	0	776,922
Expenses
Professional fees	0	11,510	0	12,167
Fund management fee, net (Note C)	0	3,635	0	8,890
General and administrative expenses	0	5,736	0	10,571
Operating expenses	0	20,881	0	31,628
NET INCOME (LOSS)	0	791,284	0	800,839
Net income (loss) allocated to assignees	0	783,372	0	792,831
Net income (loss) allocated to general partner	$ 0	$ 7,912	$ 0	$ 8,008
Net income (loss) per BAC	$ 0.00	$ 0.32	$ 0.00	$ 0.33
Series Twenty Eight [Member]
Income
Interest income	$ 0	$ 1,764	$ 0	$ 2,976
Other income	0	0	0	446
Revenues	0	1,764	0	3,422
Gain on disposition of Operating Partnerships	0	7,100	0	7,100
Expenses
Professional fees	0	13,529	0	14,186
Fund management fee, net (Note C)	0	7,296	0	12,592
General and administrative expenses	0	7,829	0	14,207
Operating expenses	0	28,654	0	40,985
NET INCOME (LOSS)	0	(19,790)	0	(30,463)
Net income (loss) allocated to assignees	0	(19,592)	0	(30,158)
Net income (loss) allocated to general partner	$ 0	$ (198)	$ 0	$ (305)
Net income (loss) per BAC	$ 0.00	$ 0.00	$ 0.00	$ (0.01)
Series Twenty Nine [Member]
Income
Interest income	$ 55	$ 610	$ 250	$ 1,334
Other income	0	0
Revenues	55	610	250	1,334
Gain on disposition of Operating Partnerships	0	0	9,500
Expenses
Professional fees	8,276	15,795	13,123	16,452
Fund management fee, net (Note C)	6,651	7,260	13,505	14,520
General and administrative expenses	8,852	6,672	13,927	12,503
Operating expenses	23,779	29,727	40,555	43,475
NET INCOME (LOSS)	(23,724)	(29,117)	(30,805)	(42,141)
Net income (loss) allocated to assignees	(23,487)	(28,826)	(30,497)	(41,720)
Net income (loss) allocated to general partner	$ (237)	$ (291)	$ (308)	$ (421)
Net income (loss) per BAC	$ (0.01)	$ (0.01)	$ (0.01)	$ (0.01)
Series Thirty [Member]
Income
Interest income	$ 0	$ 0	$ 0
Other income	0	0	0
Revenues	0	0	0
Gain on disposition of Operating Partnerships	0	0	0
Expenses
Professional fees	0	0	0
Fund management fee, net (Note C)	0	0	0
General and administrative expenses	0	0	0
Operating expenses	0	0	0
NET INCOME (LOSS)	0	0	0	$ 0
Net income (loss) allocated to assignees	0	0	0
Net income (loss) allocated to general partner	$ 0	$ 0	$ 0
Net income (loss) per BAC	$ 0.00	$ 0.00	$ 0.00
Series Thirty One [Member]
Income
Interest income	$ 0	$ 6,536	$ 0	10,540
Other income	0	0	0
Revenues	0	6,536	0	10,540
Gain on disposition of Operating Partnerships	0	31,431	0	618,900
Expenses
Professional fees	0	19,370	0	20,027
Fund management fee, net (Note C)	0	0	0	(59,987)
General and administrative expenses	0	7,738	0	14,489
Operating expenses	0	27,108	0	(25,471)
NET INCOME (LOSS)	0	10,859	0	654,911
Net income (loss) allocated to assignees	0	10,751	0	648,362
Net income (loss) allocated to general partner	$ 0	$ 108	$ 0	$ 6,549
Net income (loss) per BAC	$ 0.00	$ 0.00	$ 0.00	$ 0.15
Series Thirty Two [Member]
Income
Interest income	$ 65	$ 1,125	$ 315	$ 2,048
Other income	10,008	4,320	10,008	4,320
Revenues	10,073	5,445	10,323	6,368
Gain on disposition of Operating Partnerships	0	0
Expenses
Professional fees	9,526	15,115	14,373	16,314
Fund management fee, net (Note C)	8,632	19,794	23,764	26,588
General and administrative expenses	8,867	8,155	15,465	14,855
Operating expenses	27,025	43,064	53,602	57,757
NET INCOME (LOSS)	(16,952)	(37,619)	(43,279)	(51,389)
Net income (loss) allocated to assignees	(16,782)	(37,243)	(42,846)	(50,875)
Net income (loss) allocated to general partner	$ (170)	$ (376)	$ (433)	$ (514)
Net income (loss) per BAC	$ 0.00	$ (0.01)	$ (0.01)	$ (0.01)
Series Thirty Three [Member]
Income
Interest income	$ 238	$ 937	$ 696	$ 1,800
Other income	10,008	14,427	10,008	14,427
Revenues	10,246	15,364	10,704	16,227
Gain on disposition of Operating Partnerships	0	1,442,632		1,442,632
Expenses
Professional fees	8,001	13,772	12,468	14,971
Fund management fee, net (Note C)	3,277	13,316	13,054	9,214
General and administrative expenses	8,455	6,383	13,622	11,574
Operating expenses	19,733	33,471	39,144	35,759
NET INCOME (LOSS)	(9,487)	1,424,525	(28,440)	1,423,100
Net income (loss) allocated to assignees	(9,393)	1,410,280	(28,156)	1,408,869
Net income (loss) allocated to general partner	$ (94)	$ 14,245	$ (284)	$ 14,231
Net income (loss) per BAC	$ 0.00	$ 0.54	$ (0.01)	$ 0.54
Series Thirty Four [Member]
Income
Interest income	$ 49	$ 825	$ 286	$ 1,458
Other income	0	2,100		2,100
Revenues	49	2,925	286	3,558
Gain on disposition of Operating Partnerships	0	257,500		257,500
Expenses
Professional fees	11,904	12,207	16,561	12,864
Fund management fee, net (Note C)	3,727	11,496	10,454	20,861
General and administrative expenses	8,630	6,010	14,444	11,262
Operating expenses	24,261	29,713	41,459	44,987
NET INCOME (LOSS)	(24,212)	230,712	(41,173)	216,071
Net income (loss) allocated to assignees	(23,970)	228,405	(40,761)	213,910
Net income (loss) allocated to general partner	$ (242)	$ 2,307	$ (412)	$ 2,161
Net income (loss) per BAC	$ (0.01)	$ 0.07	$ (0.01)	$ 0.06
Series Thirty Five [Member]
Income
Interest income	$ 0	$ 13,538	$ 0	$ 25,729
Other income	0	2,180	0	5,963
Revenues	0	15,718	0	31,692
Gain on disposition of Operating Partnerships	0	141,000	0	141,000
Expenses
Professional fees	0	10,813	0	11,470
Fund management fee, net (Note C)	0	9,847	0	17,300
General and administrative expenses	0	5,943	0	11,126
Operating expenses	0	26,603	0	39,896
NET INCOME (LOSS)	0	130,115	0	132,796
Net income (loss) allocated to assignees	0	128,814	0	131,468
Net income (loss) allocated to general partner	$ 0	$ 1,301	$ 0	$ 1,328
Net income (loss) per BAC	$ 0.00	$ 0.04	$ 0.00	$ 0.04
Series Thirty Six [Member]
Income
Interest income	$ 0	$ 10,538	$ 0	$ 20,501
Other income	0	0	0
Revenues	0	10,538	0	20,501
Gain on disposition of Operating Partnerships	0	0	0	476,325
Expenses
Professional fees	0	12,135	0	12,792
Fund management fee, net (Note C)	0	2,739	0	7,911
General and administrative expenses	0	6,011	0	10,850
Operating expenses	0	20,885	0	31,553
NET INCOME (LOSS)	0	(10,347)	0	465,273
Net income (loss) allocated to assignees	0	(10,244)	0	460,620
Net income (loss) allocated to general partner	$ 0	$ (103)	$ 0	$ 4,653
Net income (loss) per BAC	$ 0.00	$ 0.00	$ 0.00	$ 0.22
Series Thirty Seven [Member]
Income
Interest income	$ 0	$ 0	$ 0
Other income	0	0	0
Revenues	0	0	0
Gain on disposition of Operating Partnerships	0	0	0
Expenses
Professional fees	0	0	0
Fund management fee, net (Note C)	0	0	0
General and administrative expenses	0	0	0
Operating expenses	0	0	0
NET INCOME (LOSS)	0	0	0	$ 0
Net income (loss) allocated to assignees	0	0	0
Net income (loss) allocated to general partner	$ 0	$ 0	$ 0
Net income (loss) per BAC	$ 0.00	$ 0.00	$ 0.00
Series Thirty Eight [Member]
Income
Interest income	$ 0	$ 9,160	$ 0	12,362
Other income	0	5,700	0	5,700
Revenues	0	14,860	0	18,062
Gain on disposition of Operating Partnerships	0	0	0	1,463,974
Expenses
Professional fees	0	12,832	0	13,489
Fund management fee, net (Note C)	0	(258)	0	16,323
General and administrative expenses	0	5,515	0	10,188
Operating expenses	0	18,089	0	40,000
NET INCOME (LOSS)	0	(3,229)	0	1,442,036
Net income (loss) allocated to assignees	0	(3,196)	0	1,427,616
Net income (loss) allocated to general partner	$ 0	$ (33)	$ 0	$ 14,420
Net income (loss) per BAC	$ 0.00	$ 0.00	$ 0.00	$ 0.56
Series Thirty Nine [Member]
Income
Interest income	$ 0	$ 0	$ 0	$ 0
Other income	0	0	0	0
Revenues	0	0	0	0
Gain on disposition of Operating Partnerships	0	0	0	0
Expenses
Professional fees	0	0	0	0
Fund management fee, net (Note C)	0	0	0	0
General and administrative expenses	0	0	0	0
Operating expenses	0	0	0	0
NET INCOME (LOSS)	0	0	0	0
Net income (loss) allocated to assignees	0	0	0	0
Net income (loss) allocated to general partner	$ 0	$ 0	$ 0	$ 0
Net income (loss) per BAC	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Series Forty [Member]
Income
Interest income	$ 0	$ 637	$ 0	$ 1,332
Other income	0	6,639	0	6,639
Revenues	0	7,276	0	7,971
Gain on disposition of Operating Partnerships	0	2,554,005	0	2,554,005
Expenses
Professional fees	0	17,624	0	18,281
Fund management fee, net (Note C)	0	19,612	0	33,102
General and administrative expenses	0	5,498	0	10,152
Operating expenses	0	42,734	0	61,535
NET INCOME (LOSS)	0	2,518,547	0	2,500,441
Net income (loss) allocated to assignees	0	2,493,362	0	2,475,437
Net income (loss) allocated to general partner	$ 0	$ 25,185	$ 0	$ 25,004
Net income (loss) per BAC	$ 0.00	$ 0.95	$ 0.00	$ 0.95
Series Forty One [Member]
Income
Interest income	$ 138	$ 878	$ 519	$ 1,683
Other income	886	1,302	3,392	47,364
Revenues	1,024	2,180	3,911	49,047
Gain on disposition of Operating Partnerships	46,500	0	46,500
Expenses
Professional fees	12,851	18,902	18,838	19,559
Fund management fee, net (Note C)	25,564	31,714	51,792	52,295
General and administrative expenses	8,609	5,881	14,057	10,890
Operating expenses	47,024	56,497	84,687	82,744
NET INCOME (LOSS)	500	(54,317)	(34,276)	(33,697)
Net income (loss) allocated to assignees	495	(53,774)	(33,933)	(33,360)
Net income (loss) allocated to general partner	$ 5	$ (543)	$ (343)	$ (337)
Net income (loss) per BAC	$ 0.00	$ (0.02)	$ (0.01)	$ (0.01)
Series Forty Two [Member]
Income
Interest income	$ 612	$ 4,826	$ 1,529	$ 9,597
Other income	0	4,715		9,569
Revenues	612	9,541	1,529	19,166
Gain on disposition of Operating Partnerships	0	0
Expenses
Professional fees	14,817	21,209	20,424	21,866
Fund management fee, net (Note C)	19,260	23,338	38,519	45,624
General and administrative expenses	8,533	5,708	13,684	10,535
Operating expenses	42,610	50,255	72,627	78,025
NET INCOME (LOSS)	(41,998)	(40,714)	(71,098)	(58,859)
Net income (loss) allocated to assignees	(41,578)	(40,306)	(70,387)	(58,270)
Net income (loss) allocated to general partner	$ (420)	$ (408)	$ (711)	$ (589)
Net income (loss) per BAC	$ (0.02)	$ (0.01)	$ (0.03)	$ (0.02)
Series Forty Three [Member]
Income
Interest income	$ 593	$ 5,746	$ 1,812	$ 7,835
Other income	364	4,988	1,238	5,862
Revenues	957	10,734	3,050	13,697
Gain on disposition of Operating Partnerships	97,800	195,000	106,800	1,255,582
Expenses
Professional fees	15,992	24,014	22,554	24,671
Fund management fee, net (Note C)	12,676	20,125	30,254	46,236
General and administrative expenses	8,785	6,184	14,574	11,542
Operating expenses	37,453	50,323	67,382	82,449
NET INCOME (LOSS)	61,304	155,411	42,468	1,186,830
Net income (loss) allocated to assignees	60,691	153,857	42,043	1,174,962
Net income (loss) allocated to general partner	$ 613	$ 1,554	$ 425	$ 11,868
Net income (loss) per BAC	$ 0.02	$ 0.04	$ 0.01	$ 0.32
Series Forty Four [Member]
Income
Interest income	$ 106	$ 4,319	$ 527	$ 4,904
Other income	11,054	11,961	11,054	12,756
Revenues	11,160	16,280	11,581	17,660
Gain on disposition of Operating Partnerships	0	1,560,456		2,856,723
Expenses
Professional fees	11,676	14,791	17,283	15,448
Fund management fee, net (Note C)	27,041	37,351	51,136	85,282
General and administrative expenses	8,497	5,658	13,812	10,506
Operating expenses	47,214	57,800	82,231	111,236
NET INCOME (LOSS)	(36,054)	1,518,936	(70,650)	2,763,147
Net income (loss) allocated to assignees	(35,693)	1,503,747	(69,943)	2,735,516
Net income (loss) allocated to general partner	$ (361)	$ 15,189	$ (707)	$ 27,631
Net income (loss) per BAC	$ (0.01)	$ 0.56	$ (0.03)	$ 1.02
Series Forty Five [Member]
Income
Interest income	$ 137	$ 3,625	$ 506	$ 7,453
Other income	8,199	8,725	31,189	31,039
Revenues	8,336	12,350	31,695	38,492
Gain on disposition of Operating Partnerships	199,692	0	199,692
Expenses
Professional fees	30,940	31,242	39,597	31,899
Fund management fee, net (Note C)	13,068	59,591	44,572	109,435
General and administrative expenses	8,904	7,853	15,061	14,278
Operating expenses	52,912	98,686	99,230	155,612
NET INCOME (LOSS)	155,116	(86,336)	132,157	(117,120)
Net income (loss) allocated to assignees	153,564	(85,473)	130,835	(115,949)
Net income (loss) allocated to general partner	$ 1,552	$ (863)	$ 1,322	$ (1,171)
Net income (loss) per BAC	$ 0.04	$ (0.02)	$ 0.03	$ (0.03)
Series Forty Six [Member]
Income
Interest income	$ 213	$ 1,089	$ 611	$ 2,191
Other income	29,148	21,984	51,119	48,364
Revenues	29,361	23,073	51,730	50,555
Gain on disposition of Operating Partnerships	0	0	68,500
Expenses
Professional fees	17,091	19,176	23,651	19,833
Fund management fee, net (Note C)	40,909	49,999	86,072	94,470
General and administrative expenses	9,088	5,984	14,374	11,119
Operating expenses	67,088	75,159	124,097	125,422
NET INCOME (LOSS)	(37,727)	(52,086)	(3,867)	(74,867)
Net income (loss) allocated to assignees	(37,349)	(51,565)	(3,828)	(74,118)
Net income (loss) allocated to general partner	$ (378)	$ (521)	$ (39)	$ (749)
Net income (loss) per BAC	$ (0.01)	$ (0.02)	$ 0.00	$ (0.02)