INVESTMENTS IN OPERATING PARTNERSHIPS (Tables)

3 Months Ended

Jun. 30, 2016

Investments In Operating Partnerships [Abstract]

Schedule Of Number Of Operating Partnerships [Table Text Block]

The breakdown of Operating Partnerships within the Fund at June 30, 2016 and 2015 are as follows:

	2016	2015
Series 20	4	4
Series 21	2	3
Series 22	3	6
Series 23	5	9
Series 24	6	6
Series 25	4	4
Series 26	14	16
Series 27	6	7
Series 28	5	10
Series 29	8	9
Series 30	8	10
Series 31	17	19
Series 32	10	11
Series 33	5	5
Series 34	6	8
Series 35	5	7
Series 36	3	9
Series 37	5	6
Series 38	8	10
Series 39	6	9
Series 40	13	16

Series 41	18	19
Series 42	15	20
Series 43	19	23
Series 44	8	8
Series 45	28	28
Series 46	15	15
	246	297

Schedule Of Contributions Payable [Table Text Block]

The contributions payable at June 30, 2016 and 2015, are as follows:

	2016	2015
Series 22	$      -	$  9,352
Series 29	8,235	8,235
Series 30	105,139	105,139
Series 31	66,294	66,294
Series 32	1,229	1,229
Series 33	69,154	69,154
Series 37	138,438	138,438
Series 40	102	102
Series 41	100	100
Series 42	73,433	73,433
Series 43	99,265	99,265
Series 45	16,724	16,724
	$578,113	$587,465

Schedule Of Dispositions By Series [Table Text Block]

During the three months ended June 30, 2016 the Fund disposed of twelve Operating Partnerships. A summary of the dispositions by Series for June 30, 2016 is as follows:

	Operating Partnership Interest Transferred	Sale of Underlying Operating Partnership	Fund Proceeds from Disposition		Gain on Disposition
Series 23	1	-		3,550		3,550
Series 27	-	1		2,995,000		2,995,000
Series 28	1	-		5,000		5,000
Series 34	1	-		27,500		27,500
Series 35	-	1		2,294,803		2,294,803
Series 36	3	1		2,417,303		2,417,303
Series 37	1	-		2,500		2,500
Series 39	1	-		22,500		22,500
Series 40	1	-		20,500		20,500
Total	9	3	$	7,788,656	$	7,788,656

The gain 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 Fund’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.

During the three months ended June 30, 2015 the Fund disposed of nine Operating Partnerships. A summary of the dispositions by Series for June 30, 2015 is as follows:

	Operating Partnership Interest Transferred	Sale of Underlying Operating Partnership	Fund Proceeds from Disposition *		Gain on Disposition
Series 21	1	-	$	323,096	$	323,096
Series 24	-	-		80,040		-
Series 26	1	-		69,000		-
Series 28	1	-		1,197,000		1,197,000
Series 29	-	1		153,500		153,500
Series 30	1	-		57,000		6,000
Series 33	1	-		1,097,000		1,097,000
Series 34	1	-		37,000		37,000
Series 35	1	1		904,000		904,000
Series 42	-	-		39,960		-
Total	7	2	$	3,957,596	$	3,717,596

* Fund proceeds from disposition include $80,040, $69,000, $51,000 and $39,960, for Series 24, Series 26, Series 30 and Series 42, respectively, recorded as a receivable as of March 31, 2015.

The gain 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 Fund’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.

Schedule Of Summarized Statement Of Operations In Operating Partnerships [Table Text Block]

Accordingly, the current financial results available for the Operating Partnerships are for the three months ended March 31, 2016.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS
Three Months Ended March 31,
(Unaudited)

		2016	2015
Revenues
	Rental	$  18,509,973	$  24,122,148
	Interest and other	599,115	649,330
		19,109,088	24,771,478
Expenses
	Interest	3,086,598	4,308,164
	Depreciation and amortization	4,966,028	6,415,732
	Operating expenses	13,311,714	16,785,273
		21,364,340	27,509,169
NET LOSS		$ (2,255,252)	$ (2,737,691)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$ (2,232,699)	$ (2,710,313)
Net loss allocated to other Partners		$    (22,553)	$    (27,378)

* Amounts include $(2,232,699) and $(2,642,952) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 20

		2016	2015
Revenues
	Rental	$   201,185	$   210,550
	Interest and other	10,498	8,827
		211,683	219,377
Expenses
	Interest	22,806	23,642
	Depreciation and amortization	51,151	50,644
	Operating expenses	141,812	150,061
		215,769	224,347
NET LOSS		$   (4,086)	$   (4,970)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$   (4,045)	$   (4,920)
Net loss allocated to other Partners		$      (41)	$     (50)

* Amounts include $(4,045) and $(4,920) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 21

		2016	2015
Revenues
	Rental	$   129,146	$   186,127
	Interest and other	725	1,527
		129,871	187,654
Expenses
	Interest	15,458	26,766
	Depreciation and amortization	20,760	31,425
	Operating expenses	93,936	129,816
		130,154	188,007
NET LOSS		$     (283)	$     (353)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$     (280)	$     (349)
Net loss allocated to other Partners		$       (3)	$       (4)

* Amounts include $(280) and $(349) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 22

		2016	2015
Revenues
	Rental	$   126,604	$   316,462
	Interest and other	4,482	6,870
		131,086	323,332
Expenses
	Interest	14,772	50,636
	Depreciation and amortization	26,718	72,911
	Operating expenses	109,352	224,303
		150,842	347,850
NET LOSS		$  (19,756)	$  (24,518)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (19,558)	$  (24,273)
Net loss allocated to other Partners		$     (198)	$     (245)

* Amounts include $(19,558) and $(24,273) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 23

		2016	2015
Revenues
	Rental	$   418,453	$   836,752
	Interest and other	15,301	24,767
		433,754	861,519
Expenses
	Interest	27,296	113,187
	Depreciation and amortization	78,456	216,657
	Operating expenses	356,530	614,988
		462,282	944,832
NET LOSS		$  (28,528)	$  (83,313)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (28,242)	$  (82,479)
Net loss allocated to other Partners		$     (286)	$     (834)

* Amounts include $(28,242) and $(82,479) for 2016 and 2015, of net loss not recognized under the equity method of accounting.

Series 24

		2016	2015
Revenues
	Rental	$   260,224	$   249,137
	Interest and other	5,022	4,538
		265,246	253,675
Expenses
	Interest	23,138	23,719
	Depreciation and amortization	67,545	69,058
	Operating expenses	213,912	197,905
		304,595	290,682
NET LOSS		$  (39,349)	$  (37,007)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (38,956)	$  (36,637)
Net loss allocated to other Partners		$     (393)	$     (370)

* Amounts include $(38,956) and $(36,637) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 25

		2016	2015
Revenues
	Rental	$   209,643	$   211,094
	Interest and other	4,694	3,221
		214,337	214,315
Expenses
	Interest	34,116	34,116
	Depreciation and amortization	35,886	38,832
	Operating expenses	162,479	149,488
		232,481	222,436
NET LOSS		$  (18,144)	$   (8,121)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (17,963)	$   (8,040)
Net loss allocated to other Partners		$     (181)	$      (81)

* Amounts include $(17,963) and $(8,040) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 26

		2016	2015
Revenues
	Rental	$   586,364	$   697,669
	Interest and other	11,708	12,616
		598,072	710,285
Expenses
	Interest	91,631	107,767
	Depreciation and amortization	144,008	171,190
	Operating expenses	558,083	569,417
		793,722	848,374
NET LOSS		$ (195,650)	$ (138,089)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$ (193,693)	$ (136,708)
Net loss allocated to other Partners		$   (1,957)	$   (1,381)

* Amounts include $(193,693) and $(136,708) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 27

		2016	2015
Revenues
	Rental	$   711,261	$ 1,057,831
	Interest and other	3,550	15,553
		714,811	1,073,384
Expenses
	Interest	116,238	214,189
	Depreciation and amortization	163,727	220,062
	Operating expenses	492,795	655,121
		772,760	1,089,372
NET LOSS		$  (57,949)	$  (15,988)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (57,369)	$  (15,828)
Net loss allocated to other Partners		$     (580)	$     (160)

* Amounts include $(57,369) and $(15,828) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 28

		2016	2015
Revenues
	Rental	$    263,917	$    526,810
	Interest and other	3,748	9,281
		267,665	536,091
Expenses
	Interest	30,526	43,134
	Depreciation and amortization	57,693	182,846
	Operating expenses	210,878	425,598
		299,097	651,578
NET LOSS		$   (31,432)	$  (115,487)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$   (31,118)	$  (114,332)
Net loss allocated to other Partners		$      (314)	$    (1,155)

* Amounts include $(31,118) and $(114,332) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 29

		2016	2015
Revenues
	Rental	$    502,120	$    512,625
	Interest and other	18,745	47,467
		520,865	560,092
Expenses
	Interest	91,472	105,040
	Depreciation and amortization	122,083	139,851
	Operating expenses	388,451	422,748
		602,006	667,639
NET LOSS		$   (81,141)	$  (107,547)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$   (80,330)	$  (106,472)
Net loss allocated to other Partners		$      (811)	$    (1,075)

* Amounts include $(80,330) and $(106,472) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 30

		2016	2015
Revenues
	Rental	$   378,193	$   777,196
	Interest and other	10,062	11,165
		388,255	788,361
Expenses
	Interest	50,242	76,532
	Depreciation and amortization	101,332	146,116
	Operating expenses	293,819	628,796
		445,393	851,444
NET LOSS		$  (57,138)	$  (63,083)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (56,567)	$  (62,452)
Net loss allocated to other Partners		$     (571)	$     (631)

* Amounts include $(56,567) and $(62,452) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 31

		2016	2015
Revenues
	Rental	$    976,281	$  1,418,086
	Interest and other	140,449	41,257
		1,116,730	1,459,343
Expenses
	Interest	110,227	169,297
	Depreciation and amortization	297,978	314,868
	Operating expenses	766,298	1,121,866
		1,174,503	1,606,031
NET LOSS		$   (57,773)	$  (146,688)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$   (57,195)	$  (145,221)
Net loss allocated to other Partners		$      (578)	$    (1,467)

* Amounts include $(57,195) and $(145,221) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 32

		2016	2015
Revenues
	Rental	$    878,707	$  1,185,949
	Interest and other	32,582	36,908
		911,289	1,222,857
Expenses
	Interest	124,969	240,075
	Depreciation and amortization	269,883	423,632
	Operating expenses	769,520	803,146
		1,164,372	1,466,853
NET LOSS		$  (253,083)	$  (243,996)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (250,552)	$  (241,556)
Net loss allocated to other Partners		$    (2,531)	$    (2,440)

* Amounts include $(250,552) and $(241,556) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 33

		2016	2015
Revenues
	Rental	$   344,977	$   339,761
	Interest and other	9,095	9,074
		354,072	348,835
Expenses
	Interest	52,140	55,051
	Depreciation and amortization	100,376	105,019
	Operating expenses	259,971	225,555
		412,487	385,625
NET LOSS		$  (58,415)	$  (36,790)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (57,831)	$  (36,422)
Net loss allocated to other Partners		$     (584)	$     (368)

* Amounts include $(57,831) and $(36,422) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 34

		2016	2015
Revenues
	Rental	$   399,297	$   687,500
	Interest and other	12,376	20,080
		411,673	707,580
Expenses
	Interest	61,004	113,505
	Depreciation and amortization	107,674	171,254
	Operating expenses	301,745	469,672
		470,423	754,431
NET LOSS		$  (58,750)	$  (46,851)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (58,162)	$  (46,382)
Net loss allocated to other Partners		$     (588)	$     (469)

* Amounts include $(58,162) and $(46,382) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 35

		2016	2015
Revenues
	Rental	$   601,315	$   782,421
	Interest and other	14,369	30,501
		615,684	812,922
Expenses
	Interest	109,503	157,142
	Depreciation and amortization	206,136	229,096
	Operating expenses	367,285	473,383
		682,924	859,621
NET LOSS		$  (67,240)	$  (46,699)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (66,568)	$  (46,232)
Net loss allocated to other Partners		$     (672)	$     (467)

* Amounts include $(66,568) and $(46,232) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 36

		2016	2015
Revenues
	Rental	$   161,678	$   755,337
	Interest and other	3,182	12,077
		164,860	767,414
Expenses
	Interest	27,174	135,444
	Depreciation and amortization	48,891	223,028
	Operating expenses	120,630	535,236
		196,695	893,708
NET LOSS		$  (31,835)	$ (126,294)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (31,517)	$ (125,031)
Net loss allocated to other Partners		$     (318)	$   (1,263)

* Amounts include $(31,517) and $(125,031) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 37

		2016	2015
Revenues
	Rental	$   939,788	$   979,753
	Interest and other	23,505	20,056
		963,293	999,809
Expenses
	Interest	168,919	204,446
	Depreciation and amortization	245,958	283,860
	Operating expenses	648,742	783,797
		1,063,619	1,272,103
NET LOSS		$ (100,326)	$ (272,294)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (99,323)	$ (269,571)
Net loss allocated to other Partners		$   (1,003)	$   (2,723)

* Amounts include $(99,323) and $(269,571) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 38

		2016	2015
Revenues
	Rental	$   902,172	$   925,671
	Interest and other	18,406	25,348
		920,578	951,019
Expenses
	Interest	153,120	171,918
	Depreciation and amortization	213,938	245,242
	Operating expenses	569,860	641,772
		936,918	1,058,932
NET LOSS		$  (16,340)	$ (107,913)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (16,177)	$ (106,834)
Net loss allocated to other Partners		$     (163)	$   (1,079)

* Amounts include $(16,177) and $(106,834) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 39

		2016	2015
Revenues
	Rental	$   453,274	$   682,961
	Interest and other	13,646	30,474
		466,920	713,435
Expenses
	Interest	82,679	122,779
	Depreciation and amortization	101,015	196,102
	Operating expenses	340,499	537,744
		524,193	856,625
NET LOSS		$  (57,273)	$ (143,190)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (56,700)	$ (141,758)
Net loss allocated to other Partners		$     (573)	$   (1,432)

* Amounts include $(56,700) and $(141,758) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 40

		2016	2015
Revenues
	Rental	$   730,485	$ 1,078,979
	Interest and other	15,015	39,482
		745,500	1,118,461
Expenses
	Interest	132,739	224,002
	Depreciation and amortization	233,335	320,526
	Operating expenses	521,117	736,881
		887,191	1,281,409
NET LOSS		$ (141,691)	$ (162,948)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$ (140,274)	$ (161,319)
Net loss allocated to other Partners		$   (1,417)	$   (1,629)

* Amounts include $(140,274) and $(161,319) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 41

		2016	2015
Revenues
	Rental	$ 1,347,760	$ 1,455,639
	Interest and other	40,724	38,991
		1,388,484	1,494,630
Expenses
	Interest	258,443	286,370
	Depreciation and amortization	339,429	370,559
	Operating expenses	903,535	936,889
		1,501,407	1,593,818
NET LOSS		$ (112,923)	$  (99,188)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$ (111,794)	$  (98,196)
Net loss allocated to other Partners		$   (1,129)	$     (992)

* Amounts include $(111,794) and $(98,196) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 42

		2016	2015
Revenues
	Rental	$   902,739	$ 1,553,147
	Interest and other	46,682	63,337
		949,421	1,616,484
Expenses
	Interest	186,584	306,400
	Depreciation and amortization	273,144	408,078
	Operating expenses	639,652	994,744
		1,099,380	1,709,222
NET LOSS		$ (149,959)	$  (92,738)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$ (148,459)	$  (91,811)
Net loss allocated to other Partners		$   (1,500)	$     (927)

* Amounts include $(148,459) and $(91,811) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 43

		2016	2015
Revenues
	Rental	$ 1,304,500	$ 1,955,258
	Interest and other	54,715	42,677
		1,359,215	1,997,935
Expenses
	Interest	179,952	342,836
	Depreciation and amortization	439,711	549,685
	Operating expenses	968,611	1,253,321
		1,588,274	2,145,842
NET LOSS		$ (229,059)	$ (147,907)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$ (226,768)	$ (146,428)
Net loss allocated to other Partners		$   (2,291)	$   (1,479)

* Amounts include $(226,768) and $(146,428) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 44

		2016	2015
Revenues
	Rental	$  1,564,348	$  1,487,031
	Interest and other	35,681	36,013
		1,600,029	1,523,044
Expenses
	Interest	366,966	399,238
	Depreciation and amortization	375,606	385,784
	Operating expenses	884,555	852,959
		1,627,127	1,637,981
NET LOSS		$   (27,098)	$  (114,937)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$   (26,827)	$  (113,788)
Net loss allocated to other Partners		$      (271)	$    (1,149)

* Amounts include $(26,827) and $(113,788) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 45

		2016	2015
Revenues
	Rental	$  1,777,506	$  1,807,037
	Interest and other	30,356	30,452
		1,807,862	1,837,489
Expenses
	Interest	258,058	250,958
	Depreciation and amortization	501,193	499,315
	Operating expenses	1,281,022	1,328,026
		2,040,273	2,078,299
NET LOSS		$  (232,411)	$  (240,810)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (230,087)	$  (238,402)
Net loss allocated to other Partners		$    (2,324)	$    (2,408)

* Amounts include $(230,087) and $(224,877) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.

Series 46

		2016	2015
Revenues
	Rental	$ 1,438,036	$ 1,445,365
	Interest and other	19,797	26,771
		1,457,833	1,472,136
Expenses
	Interest	296,426	309,975
	Depreciation and amortization	342,402	350,092
	Operating expenses	946,625	922,041
		1,585,453	1,582,108
NET LOSS		$ (127,620)	$ (109,972)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$ (126,344)	$ (108,872)
Net loss allocated to other Partners		$   (1,276)	$   (1,100)

* Amounts include $(126,344) and $(55,036) for 2016 and 2015, respectively, of net loss not recognized under the equity method of accounting.