INVESTMENTS IN OPERATING PARTNERSHIPS (Tables)

3 Months Ended

Jun. 30, 2013

Equity Method Investments and Joint Ventures [Abstract]

Schedule Of Number Of Operating Partnerships [Table Text Block]

The breakdown of Operating Partnerships within the Fund at June 30, 2013 and 2012 are as follows:

	2013	2012
Series 20	11	12
Series 21	5	6
Series 22	9	20
Series 23	11	15
Series 24	13	16
Series 25	7	11
Series 26	31	39
Series 27	13	15
Series 28	20	24
Series 29	21	21
Series 30	16	17
Series 31	25	26
Series 32	15	15
Series 33	8	8
Series 34	13	14
Series 35	10	11
Series 36	9	11
Series 37	7	7
Series 38	10	10
Series 39	9	9
Series 40	16	16
Series 41	20	20
Series 42	21	21
Series 43	23	23
Series 44	10	10
Series 45	30	30
Series 46	15	15
	398	442

Schedule Of Contributions Payable [Table Text Block]

The contributions payable at June 30, 2013 and 2012, are as follows:

	2013	2012
Series 22	$  9,352	$   9,352
Series 24	-	9,999
Series 26	1,293	14,490
Series 27	10,020	10,020
Series 28	40,968	40,968
Series 29	10,197	10,197
Series 30	127,396	127,396
Series 31	66,294	66,294
Series 32	173,561	173,561
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	121,112	121,112
Series 44	-	254,640
Series 45	16,724	16,724
	$858,144	$1,135,980

Schedule Of Dispositions By Series [Table Text Block]

A summary of the dispositions by Series for June 30, 2013 is as follows:

	Operating Partnership Interest Transferred	Sale of Underlying Operating Partnership	Partnership Proceeds from Disposition *		Gain on Disposition
Series 22	1	-	$	-	$	-
Series 25	-	-		618,889		-
Series 28	-	-		50,000		50,000
Total	1	-	$	668,889	$	50,000

* Fund proceeds from disposition include $618,889 recorded as a receivable as of March 31, 2013, for Series 25.

During the three months ended June 30, 2012 the Fund disposed of three Operating Partnerships. The Fund also received additional proceeds from six Operating Partnerships that were disposed of in the prior year of $1,263,136. The payment of the additional proceeds were contingent upon several factors including timely completion of a minor rehabilitation at the property. A summary of the dispositions by Series for June 30, 2012 is as follows:

	Operating Partnership Interest Transferred	Sale of Underlying Operating Partnership	Partnership Proceeds from Disposition		Gain on Disposition
Series 24	2	-		27,680		27,680
Series 25	-	-		48,325		48,325
Series 26	-	-		538,243		538,243
Series 27	-	-		575,945		575,945
Series 30	-	-		72,943		72,943
Series 42	1	-		-		-
Total	3	-	$	1,263,136	$	1,263,136

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, 2013.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

		2013	2012
Revenues
	Rental	$  33,139,905	$  35,357,571
	Interest and other	946,955	1,051,584
		34,086,860	36,409,155
Expenses
	Interest	6,389,626	7,297,759
	Depreciation and amortization	9,851,546	10,463,735
	Operating expenses	21,953,822	23,269,874
		38,194,994	41,031,368
NET LOSS		$ (4,108,134)	$ (4,622,213)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$ (4,067,049)	$ (4,575,990)
Net loss allocated to other Partners		$    (41,085)	$    (46,223)

* Amounts include $(3,574,669) and $(3,882,388) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 20

		2013	2012
Revenues
	Rental	$   661,277	$   671,891
	Interest and other	9,074	18,476
		670,351	690,367
Expenses
	Interest	124,387	105,536
	Depreciation and amortization	162,247	171,357
	Operating expenses	459,324	464,721
		745,958	741,614
NET LOSS		$  (75,607)	$  (51,247)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (74,851)	$  (50,735)
Net loss allocated to other Partners		$     (756)	$     (512)

* Amounts include $(74,851) and $(50,735) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 21

		2013	2012
Revenues
	Rental	$  490,086	$   477,583
	Interest and other	6,035	8,792
		496,121	486,375
Expenses
	Interest	125,449	157,053
	Depreciation and amortization	90,309	96,439
	Operating expenses	296,220	301,588
		511,978	555,080
NET LOSS		$  (15,857)	$  (68,705)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (15,698)	$  (68,018)
Net loss allocated to other Partners		$     (159)	$     (687)

* Amounts include $(15,698) and $(68,018) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 22

		2013	2012
Revenues
	Rental	$   432,208	$   866,753
	Interest and other	6,463	22,798
		438,671	889,551
Expenses
	Interest	74,144	132,424
	Depreciation and amortization	101,660	275,593
	Operating expenses	324,028	556,283
		499,832	964,300
NET LOSS		$  (61,161)	$  (74,749)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (60,549)	$  (74,002)
Net loss allocated to other Partners		$     (612)	$     (747)

* Amounts include $(60,549) and $(74,002) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 23

		2013	2012
Revenues
	Rental	$   777,025	$   934,703
	Interest and other	33,334	30,991
		810,359	965,694
Expenses
	Interest	133,817	146,930
	Depreciation and amortization	170,071	213,075
	Operating expenses	516,424	675,396
		820,312	1,035,401
NET LOSS		$   (9,953)	$  (69,707)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$   (9,852)	$  (69,009)
Net loss allocated to other Partners		$     (101)	$     (698)

* Amounts include $(9,852) and $(69,009) for 2013 and 2012, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 24

		2013	2012
Revenues
	Rental	$   547,649	$   709,150
	Interest and other	11,597	21,225
		559,246	730,375
Expenses
	Interest	78,191	112,882
	Depreciation and amortization	167,495	171,016
	Operating expenses	373,268	499,660
		618,954	783,558
NET LOSS		$  (59,708)	$  (53,183)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (59,111)	$  (52,651)
Net loss allocated to other Partners		$     (597)	$     (532)

* Amounts include $(59,111) and $(52,651) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 25

		2013	2012
Revenues
	Rental	$   330,118	$   625,517
	Interest and other	5,673	12,739
		335,791	638,256
Expenses
	Interest	53,419	108,342
	Depreciation and amortization	81,318	140,311
	Operating expenses	273,747	415,535
		408,484	664,188
NET LOSS		$  (72,693)	$  (25,932)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (71,966)	$  (25,673)
Net loss allocated to other Partners		$     (727)	$     (259)

* Amounts include $(71,966) and $(25,673) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 26

		2013	2012
Revenues
	Rental	$ 1,430,194	$ 2,132,464
	Interest and other	76,918	86,164
		1,507,112	2,218,628
Expenses
	Interest	259,143	378,191
	Depreciation and amortization	469,647	534,679
	Operating expenses	1,067,822	1,562,236
		1,796,612	2,475,106
NET LOSS		$ (289,500)	$ (256,478)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$ (286,605)	$ (253,913)
Net loss allocated to other Partners		$   (2,895)	$   (2,565)

* Amounts include $(286,605) and $(253,913) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 27

		2013	2012
Revenues
	Rental	$ 1,377,433	$ 1,386,038
	Interest and other	16,709	18,198
		1,394,142	1,404,236
Expenses
	Interest	286,600	326,859
	Depreciation and amortization	315,420	333,498
	Operating expenses	813,078	784,124
		1,415,098	1,444,481
NET LOSS		$  (20,956)	$  (40,245)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (20,746)	$  (39,843)
Net loss allocated to other Partners		$     (210)	$     (402)

* Amounts include $(20,746) and $(39,843) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 28

		2013	2012
Revenues
	Rental	$  1,711,027	$  1,840,175
	Interest and other	23,901	40,229
		1,734,928	1,880,404
Expenses
	Interest	293,430	325,514
	Depreciation and amortization	476,903	501,463
	Operating expenses	1,160,120	1,219,404
		1,930,453	2,046,381
NET LOSS		$  (195,525)	$  (165,977)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (193,570)	$  (164,317)
Net loss allocated to other Partners		$    (1,955)	$    (1,660)

* Amounts include $(193,570) and $(164,317) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 29

		2013	2012
Revenues
	Rental	$  1,955,470	$  1,884,898
	Interest and other	48,632	43,994
		2,004,102	1,928,892
Expenses
	Interest	349,173	340,998
	Depreciation and amortization	651,061	608,805
	Operating expenses	1,326,824	1,170,900
		2,327,058	2,120,703
NET LOSS		$  (322,956)	$  (191,811)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (319,726)	$  (189,893)
Net loss allocated to other Partners		$    (3,230)	$    (1,918)

* Amounts include $(319,726) and $(189,893) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 30

		2013	2012
Revenues
	Rental	$ 1,143,464	$ 1,215,485
	Interest and other	33,537	18,196
		1,177,001	1,233,681
Expenses
	Interest	152,492	192,535
	Depreciation and amortization	249,766	253,602
	Operating expenses	896,097	977,077
		1,298,355	1,423,214
NET LOSS		$ (121,354)	$ (189,533)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$ (120,140)	$ (187,638)
Net loss allocated to other Partners		$   (1,214)	$   (1,895)

* Amounts include $(120,140) and $(187,638) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 31

		2013	2012
Revenues
	Rental	$  2,453,810	$  2,695,740
	Interest and other	72,987	90,806
		2,526,797	2,786,546
Expenses
	Interest	380,237	477,701
	Depreciation and amortization	716,682	785,072
	Operating expenses	1,672,169	1,770,420
		2,769,088	3,033,193
NET LOSS		$  (242,291)	$  (246,647)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (239,868)	$  (244,181)
Net loss allocated to other Partners		$    (2,423)	$    (2,466)

* Amounts include $(239,868) and $(244,181) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 32

		2013	2012
Revenues
	Rental	$  1,458,766	$  1,465,835
	Interest and other	54,936	47,751
		1,513,702	1,513,586
Expenses
	Interest	294,133	310,091
	Depreciation and amortization	544,169	516,648
	Operating expenses	994,795	985,303
		1,833,097	1,812,042
NET LOSS		$  (319,395)	$  (298,456)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (316,201)	$  (295,471)
Net loss allocated to other Partners		$    (3,194)	$    (2,985)

* Amounts include $(316,201) and $(295,471) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 33

		2013	2012
Revenues
	Rental	$   661,949	$   672,850
	Interest and other	22,297	24,043
		684,246	696,893
Expenses
	Interest	144,239	171,320
	Depreciation and amortization	229,802	224,779
	Operating expenses	434,486	417,017
		808,527	813,116
NET LOSS		$ (124,281)	$ (116,223)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$ (123,038)	$ (115,061)
Net loss allocated to other Partners		$   (1,243)	$   (1,162)

* Amounts include $(123,038) and $(115,061) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 34

		2013	2012
Revenues
	Rental	$ 1,445,327	$ 1,529,406
	Interest and other	41,334	49,985
		1,486,661	1,579,391
Expenses
	Interest	216,240	300,404
	Depreciation and amortization	476,764	578,645
	Operating expenses	930,394	1,098,933
		1,623,398	1,977,982
NET LOSS		$ (136,737)	$ (398,591)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$ (135,370)	$ (394,605)
Net loss allocated to other Partners		$   (1,367)	$   (3,986)

* Amounts include $(135,370) and $(394,605) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 35

		2013	2012
Revenues
	Rental	$ 1,091,046	$ 1,227,675
	Interest and other	40,215	37,865
		1,131,261	1,265,540
Expenses
	Interest	203,764	258,974
	Depreciation and amortization	370,326	416,954
	Operating expenses	710,534	805,320
		1,284,624	1,481,248
NET LOSS		$ (153,363)	$ (215,708)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$ (151,829)	$ (213,551)
Net loss allocated to other Partners		$   (1,534)	$   (2,157)

* Amounts include $(151,829) and $(213,551) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 36

		2013	2012
Revenues
	Rental	$   739,281	$   898,899
	Interest and other	18,769	17,038
		758,050	915,937
Expenses
	Interest	140,851	216,108
	Depreciation and amortization	226,886	235,574
	Operating expenses	534,342	547,895
		902,079	999,577
NET LOSS		$ (144,029)	$  (83,640)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$ (142,589)	$  (82,804)
Net loss allocated to other Partners		$   (1,440)	$     (836)

* Amounts include $(142,589) and $(82,804) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 37

		2013	2012
Revenues
	Rental	$ 1,124,113	$ 1,075,612
	Interest and other	29,831	25,048
		1,153,944	1,100,660
Expenses
	Interest	160,669	190,142
	Depreciation and amortization	394,435	398,952
	Operating expenses	862,315	879,734
		1,417,419	1,468,828
NET LOSS		$ (263,475)	$ (368,168)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$ (260,840)	$ (364,486)
Net loss allocated to other Partners		$   (2,635)	$   (3,682)

* Amounts include $(260,840) and $(364,486) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 38

		2013	2012
Revenues
	Rental	$   904,723	$   884,576
	Interest and other	16,637	28,785
		921,360	913,361
Expenses
	Interest	181,654	194,411
	Depreciation and amortization	242,647	258,984
	Operating expenses	592,883	551,258
		1,017,184	1,004,653
NET LOSS		$  (95,824)	$  (91,292)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (94,866)	$  (90,379)
Net loss allocated to other Partners		$     (958)	$     (913)

* Amounts include $(94,866) and $(65,606) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 39

		2013	2012
Revenues
	Rental	$   687,199	$   623,814
	Interest and other	21,580	34,892
		708,779	658,706
Expenses
	Interest	128,590	126,343
	Depreciation and amortization	225,230	237,028
	Operating expenses	491,348	479,214
		845,168	842,585
NET LOSS		$ (136,389)	$ (183,879)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$ (135,025)	$ (182,040)
Net loss allocated to other Partners		$   (1,364)	$   (1,839)

* Amounts include $(135,025) and $(129,472) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 40

		2013	2012
Revenues
	Rental	$ 1,023,872	$ 1,223,024
	Interest and other	26,354	26,656
		1,050,226	1,249,680
Expenses
	Interest	242,209	236,331
	Depreciation and amortization	329,794	335,702
	Operating expenses	785,718	807,429
		1,357,721	1,379,462
NET LOSS		$ (307,495)	$ (129,782)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$ (304,420)	$ (128,484)
Net loss allocated to other Partners		$   (3,075)	$   (1,298)

* Amounts include $(304,420) and $(65,340) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 41

		2013	2012
Revenues
	Rental	$ 1,388,428	$ 1,387,523
	Interest and other	35,370	36,868
		1,423,798	1,424,391
Expenses
	Interest	290,163	306,433
	Depreciation and amortization	563,850	554,592
	Operating expenses	764,691	768,661
		1,618,704	1,629,686
NET LOSS		$ (194,906)	$ (205,295)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$ (192,957)	$ (203,242)
Net loss allocated to other Partners		$   (1,949)	$   (2,053)

* Amounts include $(192,957) and $(98,904) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 42

		2013	2012
Revenues
	Rental	$ 1,601,125	$ 1,513,307
	Interest and other	45,726	60,165
		1,646,851	1,573,472
Expenses
	Interest	323,803	335,210
	Depreciation and amortization	439,472	429,751
	Operating expenses	936,930	897,403
		1,700,205	1,662,364
NET LOSS		$  (53,354)	$  (88,892)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (52,820)	$  (88,003)
Net loss allocated to other Partners		$     (534)	$     (889)

* Amounts include $(9,900) and $(91,838) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 43

		2013	2012
Revenues
	Rental	$ 1,870,431	$ 1,822,149
	Interest and other	60,738	48,761
		1,931,169	1,870,910
Expenses
	Interest	354,931	358,145
	Depreciation and amortization	542,379	571,057
	Operating expenses	1,138,874	1,088,352
		2,036,184	2,017,554
NET LOSS		$ (105,015)	$ (146,644)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$ (103,965)	$ (145,178)
Net loss allocated to other Partners		$   (1,050)	$   (1,466)

* Amounts include $(7,958) and $(106,146) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 44

		2013	2012
Revenues
	Rental	$  1,987,330	$  1,774,948
	Interest and other	73,412	66,888
		2,060,742	1,841,836
Expenses
	Interest	591,617	615,518
	Depreciation and amortization	594,764	587,579
	Operating expenses	1,073,797	1,064,700
		2,260,178	2,267,797
NET LOSS		$  (199,436)	$  (425,961)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (197,442)	$  (421,701)
Net loss allocated to other Partners		$    (1,994)	$    (4,260)

* Amounts include $(168,794) and $(340,175) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 45

		2013	2012
Revenues
	Rental	$  2,475,615	$  2,472,015
	Interest and other	70,198	86,233
		2,545,813	2,558,248
Expenses
	Interest	496,552	562,129
	Depreciation and amortization	710,450	700,739
	Operating expenses	1,606,885	1,590,259
		2,813,887	2,853,127
NET LOSS		$  (268,074)	$  (294,879)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$  (265,393)	$  (291,930)
Net loss allocated to other Partners		$    (2,681)	$    (2,949)

* Amounts include $(58,200) and $(99,056) for 2013 and 2012, respectively, of net loss not recognized under the equity method of accounting.

The Fund accounts for its investments using the equity method of accounting. Under the equity method of accounting, the Fund adjusts its investment cost for its share of each Operating Partnership's results of operations and for any distributions received or accrued. However, the Fund recognizes individual operating losses only to the extent of capital contributions. Excess losses are suspended for use in future years to offset excess income.

COMBINED CONDENSED SUMMARIZED STATEMENTS OF OPERATIONS

Three Months Ended March 31,

(Unaudited)

Series 46

		2013	2012
Revenues
	Rental	$ 1,370,939	$ 1,345,541
	Interest and other	44,698	47,998
		1,415,637	1,393,539
Expenses
	Interest	309,729	311,235
	Depreciation and amortization	307,999	331,841
	Operating expenses	916,709	891,052
		1,534,437	1,534,128
NET LOSS		$ (118,800)	$ (140,589)
Net loss allocated to Boston Capital Tax Credit Fund IV L.P.*		$ (117,612)	$ (139,182)
Net loss allocated to other Partners		$   (1,188)	$   (1,407)