<PAGE> PAGE 1
000 B000000 12/31/96
000 C000000 0000847411
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0.a
000 J000000 U
001 A000000 COLONIAL INVESTMENT GRADE MUNICIPAL TRUST
001 B000000 811-5785
001 C000000 6174263750
002 A000000 ONE FINANCIAL CENTER
002 B000000 BOSTON
002 C000000 MA
002 D010000 02111
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
007 C010100 1
007 C010200 2
007 C010300 3
007 C010400 4
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
008 A000001 COLONIAL MANAGEMENT ASSOCIATES, INC.
008 B000001 A
008 C000001 801-2019
008 D010001 BOSTON
008 D020001 MA
008 D030001 02111
011 A000001 PAINEWEBBER INCORPORATED
011 B000001 8-16267
011 C010001 NEW YORK
011 C020001 NY
011 C030001 10019
011 A000002 A. G. EDWARDS & SONS, INC.
011 B000002 8-13580
011 C010002 ST. LOUIS
011 C020002 MO
011 C030002 63103
011 A000003 THOMSON MCKINNON SECURITIES INC.
011 B000003 8-14450
011 C010003 NEW YORK
<PAGE> PAGE 2
011 C020003 NY
011 C030003 10005
011 A000004 DAIN BOSWORTH INCORPORATED
011 B000004 8-3259
011 C010004 MINNEAPOLIS
011 C020004 MN
011 C030004 55402
012 A000001 THE FIRST NATIONAL BANK OF BOSTON
012 B000001 84-
012 C010001 BOSTON
012 C020001 MA
012 C030001 02110
013 A000001 PRICE WATERHOUSE, LLP
013 B010001 BOSTON
013 B020001 MA
013 B030001 02110
015 A000001 UMB, N.A.
015 B000001 C
015 C010001 KANSAS CITY
015 C020001 MO
015 C030001 64141
015 E010001 X
018 000000 Y
019 A000000 Y
019 B000000 51
019 C000000 COLGPFUNDS
020 C000001 0
020 C000002 0
020 C000003 0
020 C000004 0
020 C000005 0
020 C000006 0
020 C000007 0
020 C000008 0
020 C000009 0
020 C000010 0
021 000000 0
022 A000001 PAINEWEBBER INC
022 B000001 13-2638166
022 C000001 1800
022 D000001 12828
022 A000002 NUVEEN (JOHN) & CO INC
022 B000002 36-2639476
022 C000002 10415
022 D000002 8715
022 A000003 FIRST ALBANY CORP
022 B000003 14-1391446
022 C000003 3600
022 D000003 5858
022 A000004 LEHMAN BROS
022 B000004 13-2518466
<PAGE> PAGE 3
022 C000004 4805
022 D000004 2700
022 A000005 MORGAN STANLEY & CO INC
022 B000005 13-2655998
022 C000005 3020
022 D000005 2949
022 A000006 CHEMICAL SECURITIES CORP
022 B000006 13-4994650
022 C000006 2800
022 D000006 2800
022 A000007 HAMBRO AMERICAN SECURITIES INC
022 B000007 13-3609023
022 C000007 2800
022 D000007 2800
022 A000008 FLEET NORSTAR SECURITIES
022 B000008 05-0341324
022 C000008 2300
022 D000008 2813
022 A000009 SMITH BARNEY SHEARSON
022 B000009 13-1912900
022 C000009 573
022 D000009 4261
022 A000010 PRUDENTIAL BACHE SECURITIES
022 B000010 22-2347336
022 C000010 3107
022 D000010 0
023 C000000 58911
023 D000000 59135
024 000000 N
025 D000001 0
025 D000002 0
025 D000003 0
025 D000004 0
025 D000005 0
025 D000006 0
025 D000007 0
025 D000008 0
026 A000000 Y
026 B000000 Y
026 C000000 Y
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027 000000 N
028 A010000 0
028 A020000 0
028 A030000 0
028 A040000 0
<PAGE> PAGE 4
028 B010000 0
028 B020000 0
028 B030000 0
028 B040000 0
028 C010000 0
028 C020000 0
028 C030000 0
028 C040000 0
028 D010000 0
028 D020000 0
028 D030000 0
028 D040000 0
028 E010000 0
028 E020000 0
028 E030000 0
028 E040000 0
028 F010000 0
028 F020000 0
028 F030000 0
028 F040000 0
028 G010000 0
028 G020000 0
028 G030000 0
028 G040000 0
028 H000000 0
055 A000000 N
055 B000000 N
056 000000 Y
057 000000 N
058 A000000 N
059 000000 Y
060 A000000 Y
060 B000000 Y
061 000000 0
062 A000000 Y
062 B000000 0.0
062 C000000 0.0
062 D000000 0.0
062 E000000 2.4
062 F000000 0.0
062 G000000 0.0
062 H000000 0.0
062 I000000 0.0
062 J000000 0.0
062 K000000 0.0
062 L000000 0.0
062 M000000 0.0
062 N000000 0.0
062 O000000 96.2
062 P000000 0.0
062 Q000000 0.0
<PAGE> PAGE 5
062 R000000 1.4
063 A000000 0
063 B000000 10.3
064 A000000 N
064 B000000 N
066 A000000 N
067 000000 N
068 A000000 N
068 B000000 N
069 000000 N
070 A010000 Y
070 A020000 N
070 B010000 N
070 B020000 N
070 C010000 Y
070 C020000 N
070 D010000 N
070 D020000 N
070 E010000 Y
070 E020000 Y
070 F010000 N
070 F020000 N
070 G010000 Y
070 G020000 N
070 H010000 N
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
070 J020000 Y
070 K010000 Y
070 K020000 N
070 L010000 N
070 L020000 N
070 M010000 N
070 M020000 N
070 N010000 Y
070 N020000 N
070 O010000 Y
070 O020000 N
070 P010000 Y
070 P020000 N
070 Q010000 N
070 Q020000 N
070 R010000 Y
070 R020000 N
071 A000000 24174
071 B000000 29616
071 C000000 19309
071 D000000 20
072 A000000 12
<PAGE> PAGE 6
072 B000000 8233
072 C000000 0
072 D000000 0
072 E000000 0
072 F000000 802
072 G000000 0
072 H000000 0
072 I000000 47
072 J000000 3
072 K000000 0
072 L000000 11
072 M000000 13
072 N000000 0
072 O000000 0
072 P000000 0
072 Q000000 35
072 R000000 41
072 S000000 73
072 T000000 0
072 U000000 0
072 V000000 0
072 W000000 55
072 X000000 1080
072 Y000000 0
072 Z000000 7153
072AA000000 1590
072BB000000 3063
072CC010000 0
072CC020000 578
072DD010000 7095
072DD020000 0
072EE000000 0
073 A010000 0.6170
073 A020000 0.0000
073 B000000 0.0000
073 C000000 0.0000
074 A000000 0
074 B000000 0
074 C000000 3000
074 D000000 120408
074 E000000 0
074 F000000 0
074 G000000 0
074 H000000 0
074 I000000 0
074 J000000 25
074 K000000 0
074 L000000 2335
074 M000000 2
074 N000000 125770
074 O000000 512
<PAGE> PAGE 7
074 P000000 2
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 131
074 S000000 0
074 T000000 125125
074 U010000 11509
074 U020000 0
074 V010000 10.87
074 V020000 0.00
074 W000000 0.0000
074 X000000 2113
074 Y000000 7983
075 A000000 0
075 B000000 123350
076 000000 10.12
077 A000000 Y
077 B000000 Y
077 C000000 N
077 D000000 N
077 E000000 N
077 F000000 N
077 G000000 N
077 H000000 N
077 I000000 N
077 J000000 N
077 K000000 N
077 L000000 N
077 M000000 N
077 N000000 N
077 O000000 N
077 P000000 N
077 Q010000 Y
077 Q020000 Y
077 Q030000 N
078 000000 N
080 A000000 ICI MUTUAL INSURANCE COMPANY
080 C000000 25000
081 A000000 Y
081 B000000 76
082 A000000 Y
082 B000000 150
083 A000000 N
083 B000000 0
084 A000000 N
084 B000000 0
085 A000000 Y
085 B000000 N
086 A010000 0
<PAGE> PAGE 8
086 A020000 0
086 B010000 0
086 B020000 0
086 C010000 0
086 C020000 0
086 D010000 0
086 D020000 0
086 E010000 0
086 E020000 0
086 F010000 0
086 F020000 0
SIGNATURE PETER LYDECKER
TITLE CONTROLLER
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAIN SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FINANCIAL
STATEMENTS OF COLONIAL INVESTMENT GRADE MUNICIPAL TRUST YEAR END DEC-31-1996 AND
IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS OF
COLONIAL INVESTMENT GRADE MUNICIPAL TRUST YEAR END DEC-31-1996
</LEGEND>
<CIK> 0000847411
<NAME> COLONIAL INVESTMENT GRADE MUNICIPAL TRUST
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1996
<PERIOD-END> DEC-31-1996
<INVESTMENTS-AT-COST> 116949
<INVESTMENTS-AT-VALUE> 123408
<RECEIVABLES> 2360
<ASSETS-OTHER> 2
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 125770
<PAYABLE-FOR-SECURITIES> 512
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 133
<TOTAL-LIABILITIES> 645
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 127935
<SHARES-COMMON-STOCK> 11509
<SHARES-COMMON-PRIOR> 11509
<ACCUMULATED-NII-CURRENT> 277
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (9546)
<ACCUM-APPREC-OR-DEPREC> 6459
<NET-ASSETS> 125125
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 8233
<OTHER-INCOME> 0
<EXPENSES-NET> 1080
<NET-INVESTMENT-INCOME> 7153
<REALIZED-GAINS-CURRENT> (1473)
<APPREC-INCREASE-CURRENT> (578)
<NET-CHANGE-FROM-OPS> 5102
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 7095
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> (1993)
<ACCUMULATED-NII-PRIOR> 125
<ACCUMULATED-GAINS-PRIOR> (7982)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 802
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1080
<AVERAGE-NET-ASSETS> 123350
<PER-SHARE-NAV-BEGIN> 11.05
<PER-SHARE-NII> 0.630
<PER-SHARE-GAIN-APPREC> (0.193)
<PER-SHARE-DIVIDEND> (0.617)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.87
<EXPENSE-RATIO> 0.88
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
