CONDENSED STATEMENTS OF OPERATIONS (USD $)	3 Months Ended		6 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Income
Interest income	$ 7,271	$ 5,569	$ 14,563	$ 12,267
Other income	20,224	8,216	26,224	71,694
Revenues	27,495	13,785	40,787	83,961
Share of Income from Operating Partnerships (Note D)	198,791	597,638	447,890	2,349,300
Expenses
Professional fees	104,971	153,904	144,181	153,904
Fund management fee, net (Note C)	203,428	326,671	481,734	612,246
General and administrative expenses	19,241	24,280	40,477	41,855
Operating Expenses	327,640	504,855	666,392	808,005
NET INCOME (LOSS)	(101,354)	106,568	(177,715)	1,625,256
Net income (loss) allocated to limited assignees	(100,340)	105,502	(175,939)	1,609,003
Net income (loss) allocated to general partner	(1,014)	1,066	(1,776)	16,253
Net income (loss) per BAC	0	0	(0.01)	0.07
Series Fifteen [Member]
Income
Interest income	383	511	807	1,193
Other income	856	856	1,269	2,313
Revenues	1,239	1,367	2,076	3,506
Share of Income from Operating Partnerships (Note D)	0	0	0	0
Expenses
Professional fees	23,244	34,031	32,730	34,031
Fund management fee, net (Note C)	34,635	47,911	82,213	98,983
General and administrative expenses	3,734	6,190	7,335	9,577
Operating Expenses	61,613	88,132	122,278	142,591
NET INCOME (LOSS)	(60,374)	(86,765)	(120,202)	(139,085)
Net income (loss) allocated to limited assignees	(59,770)	(85,897)	(119,000)	(137,694)
Net income (loss) allocated to general partner	(604)	(868)	(1,202)	(1,391)
Net income (loss) per BAC	(0.02)	(0.02)	(0.03)	(0.04)
Series Sixteen [Member]
Income
Interest income	537	831	1,058	2,076
Other income	1,326	1,422	2,019	3,906
Revenues	1,863	2,253	3,077	5,982
Share of Income from Operating Partnerships (Note D)	68,510	0	148,294	132,105
Expenses
Professional fees	26,923	36,824	35,935	36,824
Fund management fee, net (Note C)	4,947	102,943	103,242	204,813
General and administrative expenses	4,316	5,390	8,909	9,566
Operating Expenses	36,186	145,157	148,086	251,203
NET INCOME (LOSS)	34,187	(142,904)	3,285	(113,116)
Net income (loss) allocated to limited assignees	33,845	(141,475)	3,252	(111,985)
Net income (loss) allocated to general partner	342	(1,429)	33	(1,131)
Net income (loss) per BAC	0.01	(0.03)	0	(0.02)
Series Seventeen [Member]
Income
Interest income	545	1,882	998	2,702
Other income	10,059	4,601	13,617	11,561
Revenues	10,604	6,483	14,615	14,263
Share of Income from Operating Partnerships (Note D)	30,831	597,638	200,146	702,815
Expenses
Professional fees	22,927	33,127	31,016	33,127
Fund management fee, net (Note C)	70,973	63,327	108,803	150,329
General and administrative expenses	3,970	4,783	8,877	8,539
Operating Expenses	97,870	101,237	148,696	191,995
NET INCOME (LOSS)	(56,435)	502,884	66,065	525,083
Net income (loss) allocated to limited assignees	(55,871)	497,855	65,404	519,832
Net income (loss) allocated to general partner	(564)	5,029	661	5,251
Net income (loss) per BAC	(0.01)	0.10	0.01	0.10
Series Eighteen [Member]
Income
Interest income	184	577	465	1,440
Other income	7,934	1,337	9,270	2,276
Revenues	8,118	1,914	9,735	3,716
Share of Income from Operating Partnerships (Note D)	0	0	0	0
Expenses
Professional fees	17,444	25,291	23,702	25,292
Fund management fee, net (Note C)	57,780	64,856	119,463	99,853
General and administrative expenses	3,466	3,783	7,389	6,804
Operating Expenses	78,690	93,930	150,554	131,949
NET INCOME (LOSS)	(70,572)	(92,016)	(140,819)	(128,233)
Net income (loss) allocated to limited assignees	(69,866)	(91,096)	(139,411)	(126,951)
Net income (loss) allocated to general partner	(706)	(920)	(1,408)	(1,282)
Net income (loss) per BAC	(0.02)	(0.03)	(0.04)	(0.04)
Series Nineteen [Member]
Income
Interest income	5,622	1,768	11,235	4,856
Other income	49	0	49	51,638
Revenues	5,671	1,768	11,284	56,494
Share of Income from Operating Partnerships (Note D)	99,450	0	99,450	1,514,380
Expenses
Professional fees	14,433	24,631	20,798	24,630
Fund management fee, net (Note C)	35,093	47,634	68,013	58,268
General and administrative expenses	3,755	4,134	7,967	7,369
Operating Expenses	53,281	76,399	96,778	90,267
NET INCOME (LOSS)	51,840	(74,631)	13,956	1,480,607
Net income (loss) allocated to limited assignees	51,322	(73,885)	13,816	1,465,801
Net income (loss) allocated to general partner	$ 518	$ (746)	$ 140	$ 14,806
Net income (loss) per BAC	0.01	(0.02)	0	0.36