CONDENSED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Income
Interest income	$ 3,044	$ 2,303	$ 9,640	$ 3,819
Other income	12,010	0	122,979	15,375
Total income	15,054	2,303	132,619	19,194
Gain on Disposition of Operating Partnerships	116,000	201,065	957,020	1,052,341
Expenses
Professional fees	19,140	7,150	122,277	108,844
Fund management fee, net (Note C)	32,018	11,994	140,556	136,766
General and administrative expenses	115,487	39,936	174,171	92,919
Operating expenses	166,645	59,080	437,004	338,529
NET INCOME (LOSS)	(35,591)	144,288	652,635	733,006
Net income (loss) allocated to limited assignees	(35,235)	142,845	646,108	725,675
Net income (loss) allocated to general partner	$ (356)	$ 1,443	$ 6,527	$ 7,331
Net income (loss) per BAC	$ 0.00	$ 0.01	$ 0.03	$ 0.03
Series 15 [Member]
Income
Interest income	$ 142	$ 290	$ 942	$ 329
Other income	0	0	0	321
Total income	142	290	942	650
Gain on Disposition of Operating Partnerships	94,500	47,602	107,000	265,241
Expenses
Professional fees	4,586	1,430	25,826	22,462
Fund management fee, net (Note C)	6,086	12,936	21,998	18,780
General and administrative expenses	47,769	6,868	59,153	17,167
Operating expenses	58,441	21,234	106,977	58,409
NET INCOME (LOSS)	36,201	26,658	965	207,482
Net income (loss) allocated to limited assignees	35,839	26,391	955	205,407
Net income (loss) allocated to general partner	$ 362	$ 267	$ 10	$ 2,075
Net income (loss) per BAC	$ 0.01	$ 0.01	$ 0.00	$ 0.05
Series 16 [Member]
Income
Interest income	$ 214	$ 343	$ 1,078	$ 939
Other income	10	0	1,888	2,080
Total income	224	343	2,966	3,019
Gain on Disposition of Operating Partnerships	0	62,361	0	187,294
Expenses
Professional fees	3,728	1,430	28,353	28,238
Fund management fee, net (Note C)	18,097	24,663	48,853	62,666
General and administrative expenses	9,746	10,494	23,104	22,386
Operating expenses	31,571	36,587	100,310	113,290
NET INCOME (LOSS)	(31,347)	26,117	(97,344)	77,023
Net income (loss) allocated to limited assignees	(31,034)	25,856	(96,371)	76,253
Net income (loss) allocated to general partner	$ (313)	$ 261	$ (973)	$ 770
Net income (loss) per BAC	$ 0.01	$ 0.00	$ (0.02)	$ 0.01
Series 17 [Member]
Income
Interest income	$ 2,189	$ 597	$ 4,320	$ 1,238
Other income	0	0	108,075	11,958
Total income	2,189	597	112,395	13,196
Gain on Disposition of Operating Partnerships	21,500	22,000	21,500	22,000
Expenses
Professional fees	3,396	1,430	26,208	21,270
Fund management fee, net (Note C)	7,219	(36,389)	28,657	(14,264)
General and administrative expenses	7,685	8,287	19,813	19,320
Operating expenses	18,300	(26,672)	74,678	26,326
NET INCOME (LOSS)	5,389	49,269	59,217	8,870
Net income (loss) allocated to limited assignees	5,335	48,776	58,625	8,781
Net income (loss) allocated to general partner	$ 54	$ 493	$ 592	$ 89
Net income (loss) per BAC	$ 0.00	$ 0.01	$ 0.01	$ 0.00
Series 18 [Member]
Income
Interest income	$ 387	$ 914	$ 2,554	$ 1,113
Other income	12,000	0	12,933	933
Total income	12,387	914	15,487	2,046
Gain on Disposition of Operating Partnerships	0	0	815,520	508,704
Expenses
Professional fees	2,913	1,430	21,588	20,340
Fund management fee, net (Note C)	(2,552)	2,207	30,947	44,171
General and administrative expenses	10,404	7,149	21,242	16,864
Operating expenses	10,765	10,786	73,777	81,375
NET INCOME (LOSS)	1,622	(9,872)	757,230	429,375
Net income (loss) allocated to limited assignees	1,606	(9,773)	749,658	425,081
Net income (loss) allocated to general partner	$ 16	$ (99)	$ 7,572	$ 4,294
Net income (loss) per BAC	$ 0.00	$ 0.00	$ 0.21	$ 0.12
Series 19 [Member]
Income
Interest income	$ 112	$ 159	$ 746	$ 200
Other income	0	0	83	83
Total income	112	159	829	283
Gain on Disposition of Operating Partnerships	0	69,102	13,000	69,102
Expenses
Professional fees	4,517	1,430	20,302	16,534
Fund management fee, net (Note C)	3,168	8,577	10,101	25,413
General and administrative expenses	39,883	7,138	50,859	17,182
Operating expenses	47,568	17,145	81,262	59,129
NET INCOME (LOSS)	(47,456)	52,116	(67,433)	10,256
Net income (loss) allocated to limited assignees	(46,981)	51,595	(66,759)	10,153
Net income (loss) allocated to general partner	$ (475)	$ 521	$ (674)	$ 103
Net income (loss) per BAC	$ (0.01)	$ 0.01	$ (0.02)	$ 0.00