<PAGE> PAGE 1
000 A000000 05/31/93
000 C000000 0000276716
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 Y
000 H000000 N
000 I000000 3.0.a
000 J000000 U
001 A000000 COLONIAL TRUST IV
001 B000000 811-2865
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 Y
007 B000000 7
007 C010100 1
007 C020100 COLONIAL TAX-EXEMPT FUND
007 C030100 N
007 C010200 2
007 C020200 COLONIAL TAX-EXEMPT INSURED FUND
007 C030200 N
007 C010300 3
007 C020300 COLONIAL HIGH YIELD MUNICIPAL FUND
007 C030300 N
007 C010400 4
007 C020400 COLONIAL TAX-EXEMPT MONEY MARKET FUND
007 C030400 N
007 C010500 5
007 C020500 COLONIAL UTILITIES FUND
007 C030500 N
007 C010600 6
007 C020600 COLONIAL INTERMEDIATE TAX-EXEMPT FUND
007 C030600 N
007 C010700 7
007 C020700 COLONIAL SHORT-TERM TAX-EXEMPT FUND
007 C030700 N
007 C010800 8
007 C010900 9
007 C011000 10
063 A000100 0
063 B000100 10.4
064 A000100 N
063 A000200 0
063 B000200 8.6
<PAGE> PAGE 2
064 A000200 Y
064 B000200 N
063 A000300 0
063 B000300 11.2
064 A000300 N
063 A000400 25
063 B000400 0.0
064 A000400 N
063 A000600 0
063 B000600 7.6
064 A000600 N
063 A000700 0
063 B000700 1.8
064 A000700 N
SIGNATURE JANET SHORE
TITLE ASSISTANT SECRETARY
