BTZ BlackRock Credit Allocation Income Trust

000 B000000 10/31/2007
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000 F000000 Y
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000 I000000 6.1
000 J000000 A
001 A000000 BLACKROCK PREFERRED AND EQUITY ADVANTAGE
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002 A000000 100 BELLEVUE PARKWAY
002 B000000 WILMINGTON
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008 A000002 BLACKROCK FINANCIAL MANAGEMENT, INC.
008 B000002 S
008 C000002 801-48433
008 D010002 NEW YORK
008 D020002 NY
008 D030002 10022
008 A000003 BLACKROCK INVESTMENT MANAGEMENT, LLC
008 B000003 A
008 C000003 801-56972
008 D010003 PRINCETON
008 D020003 NJ
008 D030003 08356
012 A000001 COMPUTERSHARE TRUST COMPANY, NA
012 B000001 85-11340
012 C010001 CANTON
012 C020001 MA
012 C030001 02021
013 A000001 DELOITTE & TOUCHE LLP
013 B010001 BOSTON
013 B020001 MA
013 B030001 02116
014 A000001 BLACKROCK INVESTMENTS, INC.

014 B000001 8-048436
014 A000002 NORTHERN FUND DISTRIBUTORS, LLC
014 B000002 8-051242
014 A000003 PNC CAPITAL MARKETS, INC.
014 B000003 8-032493
014 A000004 J.J.B. HILLIARD W.L. LYONS, INC.
014 B000004 8-033133
014 A000005 PFPC DISTRIBUTORS, INC.
014 B000005 8-045467
014 A000006 MGI FUNDS DISTRIBUTOR, INC.
014 B000006 8-046960
014 A000007 BB&T AM Distributors, Inc.
014 B000007 8-052396
014 A000008 BLACKROCK DISTRIBUTORS, INC.
014 B000008 8-048775
014 A000009 PERSIMMON SECURITIES
014 B000009 8-053071
014 A000010 PNC INVESTMENTS LLC
014 B000010 8-066195
014 A000011 MLPF&S AND OTHER ML BROKER/DEALER AFFILIATES
014 B000011 8-7221
014 A000012 Harris Williams LLC
014 B000012 8-53380
014 A000013 Mercantile Brokerage Services, Inc.
014 B000013 8-18210
014 A000014 Northern Trust Securities, Inc.
014 B000014 8-23689
014 A000015 PNC Brokerage Corp.
014 B000015 8-46315
015 A000001 STATESREET BANK AND TRUST COMPANY
015 B000001 C
015 C010001 BOSTON
015 C020001 MA
015 C030001 02110
015 E010001 X
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019 C000000 BLACKROCKF
020 A000001 CREDIT SUISSE FIRST BOSTON
020 B000001 13-5659485
020 C000001 299
020 A000002 MERRILL LYNCH
020 B000002 13-5674085
020 C000002 213
020 A000003 CITIGROUP
020 B000003 11-2418191
020 C000003 160
020 A000004 INSTINET CORP.
020 B000004 13-3443395
020 C000004 40

020 A000005 DEUTSCHE BANK
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020 C000005 30
020 A000006 NOMURA SECURITIES INTERNATIONAL
020 C000006 8
020 A000007 LEHMAN BROTHERS
020 B000007 13-2518466
020 C000007 6
020 A000008 BNY BROKERGAE INC
020 B000008 13-3989198
020 C000008 1
021 000000 757
022 A000001 STATE STREET BANK
022 B000001 04-1867445
022 C000001 2315607
022 D000001 2174773
022 A000002 BARCLAYS CAPITAL INC.
022 B000002 06-1031656
022 C000002 3204741
022 D000002 91649
022 A000003 CREDIT SUISSE FIRST BOSTON
022 B000003 13-5659485
022 C000003 2740581
022 D000003 390508
022 A000004 LEHMAN BROTHERS
022 B000004 13-2518466
022 C000004 2247393
022 D000004 232779
022 A000005 CHASE SECURITIES, INC.
022 B000005 13-3379014
022 C000005 502943
022 D000005 378358
022 A000006 BANC OF AMERICA SECURITIES LLC
022 B000006 76-0385312
022 C000006 506773
022 D000006 109933
022 A000007 JP MORGAN SECURITIES
022 B000007 13-3224016
022 C000007 240328
022 D000007 241620
022 A000008 DEUTSCHE BANK SECURITIES, INC.
022 B000008 13-2473088
022 C000008 109094
022 D000008 133804
022 A000009 CITIGROUP
022 B000009 11-2418191
022 C000009 145928
022 D000009 89410
022 A000010 GOLDMAN SACHS & CO.
022 B000010 13-5108880
022 C000010 116970

022 D000010 68884
023 C000000 13043338
023 D000000 4279901
024 000000 Y
025 A000001 BANC OF AMERICA
025 B000001 56-2058405
025 C000001 E
025 D000001 18127
025 A000002 BANK OF NEW YORK
025 B000002 13-5160382
025 C000002 E
025 D000002 1830
025 A000003 CITIGROUP
025 B000003 11-2418191
025 C000003 E
025 D000003 10320
025 A000004 GOLDMAN SACHS & CO.
025 B000004 13-5108880
025 C000004 E
025 D000004 5900
025 A000005 HSBC SECURITIES
025 B000005 13-2650272
025 C000005 E
025 D000005 2060
025 A000006 JP MORGAN CHASE BANK
025 B000006 13-2624428
025 C000006 E
025 D000006 4009
025 A000007 LEHMAN BROTHERS
025 B000007 13-2518466
025 C000007 E
025 D000007 1685
025 A000008 US BANCORP PIPER JAFFRAY INC
025 B000008 41-0953246
025 C000008 E
025 D000008 2490
025 A000009 WACHOVIA SECURITIES
025 B000009 54-0796506
025 C000009 E
025 D000009 2968
025 A000010 WELLS FARGO
025 B000010 41-1508325
025 C000010 E
025 D000010 2765
025 A000011 CREDIT SUISSE FIRST BOSTON
025 B000011 13-5659485
025 C000011 D
025 D000011 6521
025 A000012 GOLDMAN SACHS & CO.
025 B000012 13-5108880
025 C000012 D

025 D000012 1889
025 A000013 HSBC SECURITIES
025 B000013 13-2650272
025 C000013 D
025 D000013 9205
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025 B000014 13-2624428
025 C000014 D
025 D000014 42091
025 A000015 LEHMAN BROTHERS
025 B000015 13-2518466
025 C000015 D
025 D000015 12082
025 A000016 MIZUHO SECURITIES USA
025 B000016 36-2880742
025 C000016 D
025 D000016 19899
025 A000017 BEAR STEARNS & CO.
025 B000017 13-3299429
025 C000017 D
025 D000017 6162
025 A000018 WACHOVIA SECURITIES
025 B000018 54-0796506
025 C000018 D
025 D000018 2177
025 A000019 BARCLAYS INVESTMENTS INC
025 B000019 05-0346412
025 C000019 D
025 D000019 19236
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SIGNATURE DONALD C. BURKE
TITLE TREASURER