PAGE 1
000 A000000 05/31/2007
000 C000000 0001267150
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 PIONEER TAX ADVANTAGED BALANCED TRUST
001 B000000 811-21448
001 C000000 6177427825
002 A000000 60 STATE STREET
002 B000000 BOSTON
002 C000000 MA
002 D010000 02109
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 PIONEER INVESTMENT MANAGEMENT, INC.
008 B000001 A
008 C000001 801-8255
008 D010001 BOSTON
008 D020001 MA
008 D030001 02109
010 A000001 PIONEER INVESTMENT MANAGEMENT, INC.
010 B000001 801-8255
010 C010001 BOSTON
010 C020001 MA
010 C030001 02109
010 A000002 PRINCETON ADMINISTRATORS, LLC
010 C010002 PRINCETON
010 C020002 NJ
010 C030002 08543
010 C040002 9095
011 A000001 ROBERT W. BAIRD & CO.
011 B000001 8-00497
011 C010001 MILWAUKEE
PAGE 2
011 C020001 WI
011 C030001 53201
011 A000002 ADVEST, INC.
011 B000002 8-21409
011 C010002 HARTFORD
011 C020002 CT
011 C030002 06103
011 A000003 RBC CAPITAL MARKETS
011 B000003 8-045411
011 C010003 MINNEAPOLIS
011 C020003 MN
011 C030003 55402
011 C040003 4422
011 A000004 MERRILL LYNCH, PIERCE, FENNER & SMITH INC.
011 B000004 8-7221
011 C010004 NEW YORK
011 C020004 NY
011 C030004 10281
011 C040004 1201
011 A000005 JJB HILLIARD, W.L. LYONS, INC.
011 B000005 8-03868
011 C010005 LOUISVILLE
011 C020005 KY
011 C030005 40202
011 A000006 JANNEY MONTGOMERY SCOTT LLC
011 B000006 8-462
011 C010006 PHILADELPHIA
011 C020006 PA
011 C030006 19103
011 A000007 LEGG MASON WOOD WALKER
011 B000007 8-15939
011 C010007 BALTIMORE
011 C020007 MD
011 C030007 21202
011 A000008 QUICK & REILLY, INC.
011 B000008 8-17986
011 C010008 NEW YORK
011 C020008 NY
011 C030008 10004
011 A000009 SUNTRUST ROBINSON HUMPHREY
011 B000009 8-17212
011 C010009 ATLANTA
011 C020009 GA
011 C030009 30308
012 A000001 PIONEER INV. MGMT. SHAREHOLDER SERVICES, INC.
012 B000001 85-00000
012 C010001 BOSTON
012 C020001 MA
012 C030001 02109
012 A000002 AMERICAN STOCK TRANSFER & TRUST CO. (COMMON)
012 B000002 85-00000
PAGE 3
012 C010002 BROOKLYN
012 C020002 NY
012 C030002 11219
012 A000003 DEUTSCHE BANK TRUST COMPANY AMERICAS (PREF.)
012 B000003 85-00000
012 C010003 NEW YORK
012 C020003 NY
012 C030003 10005
013 A000001 ERNST & YOUNG LLP
013 B010001 BOSTON
013 B020001 MA
013 B030001 02116
013 B040001 5072
015 A000001 BROWN BROTHERS HARRIMAN & CO.
015 B000001 C
015 C010001 BOSTON
015 C020001 MA
015 C030001 02109
015 E010001 X
018 000000 Y
019 A000000 Y
019 B000000 83
019 C000000 PIONEERFDS
020 A000001 LEGG MASON INVESTORS SERVICES, LLC
020 B000001 13-4146187
020 C000001 8
020 A000002 LEHMAN BROTHERS, INC.
020 B000002 13-2518466
020 C000002 8
020 A000003 BEAR, STEARNS & CO., INC.
020 B000003 13-3299429
020 C000003 8
020 A000004 MORGAN STANLEY
020 B000004 13-2655998
020 C000004 6
020 A000005 BNY CAPITAL MARKETS, INC.
020 B000005 13-3878175
020 C000005 5
020 A000006 PRUDENTIAL INVESTMENT MANAGEMENT SERVICES LLC
020 C000006 5
020 A000007 JEFFRIES & COMPANY, INC.
020 B000007 95-2622900
020 C000007 3
020 A000008 UBS FINANCIAL SERVICES, INC.
020 B000008 13-2638166
020 C000008 2
020 A000009 WACHOVIA SECURITIES, LLC
020 B000009 54-0796506
020 C000009 2
020 A000010 FIRST TENNESSEE BROKERAGE, INC.
020 C000010 2
PAGE 4
021 000000 49
022 A000001 BLACKROCK, INC.
022 B000001 13-3806694
022 C000001 533915
022 D000001 0
022 A000002 WACHOVIA SECURITIES, LLC
022 B000002 54-0796506
022 C000002 8673
022 D000002 4816
022 A000003 LEHMAN BROTHERS INC.
022 B000003 13-2518466
022 C000003 0
022 D000003 10343
022 A000004 UBS FINANCIAL SERVICES INC.
022 B000004 13-2638166
022 C000004 8803
022 D000004 0
022 A000005 CORBY CAPITAL MARKETS, INC.
022 B000005 52-1037969
022 C000005 0
022 D000005 8374
022 A000006 HERBERT J. SIMS & CO., INC.
022 B000006 13-5213180
022 C000006 4923
022 D000006 0
022 A000007 PIPER JAFFRAY & CO.
022 B000007 41-0953246
022 C000007 3953
022 D000007 0
022 A000008 D.A. DAVIDSON & CO.
022 C000008 3000
022 D000008 0
022 A000009 FIRST TENNESSEE BROKERAGE INC.
022 C000009 2889
022 D000009 0
022 A000010 MAXIM
022 C000010 535
022 D000010 532
023 C000000 576185
023 D000000 28618
024 000000 Y
025 A000001 LEHMAN BROTHERS HOLDINGS, INC.
025 C000001 E
025 D000001 4970
025 A000002 BEAR STEARNS COMPANIES, INC.
025 C000002 E
025 D000002 4850
025 A000003 WACHOVIA PREFERRED FUNDING, CORP.
025 C000003 E
025 D000003 1998
025 A000004 WACHOVIA CORP.
PAGE 5
025 C000004 E
025 D000004 1552
025 D000005 0
025 D000006 0
025 D000007 0
025 D000008 0
026 A000000 N
026 B000000 Y
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027 000000 N
045 000000 Y
046 000000 N
047 000000 Y
048 000000 0.600
048 A010000 0
048 A020000 0.000
048 B010000 0
048 B020000 0.000
048 C010000 0
048 C020000 0.000
048 D010000 0
048 D020000 0.000
048 E010000 0
048 E020000 0.000
048 F010000 0
048 F020000 0.000
048 G010000 0
048 G020000 0.000
048 H010000 0
048 H020000 0.000
048 I010000 0
048 I020000 0.000
048 J010000 0
048 J020000 0.000
048 K010000 0
048 K020000 0.000
049 000000 N
050 000000 N
051 000000 N
052 000000 N
053 A000000 N
054 A000000 Y
054 B000000 Y
054 C000000 Y
054 D000000 N
PAGE 6
054 E000000 N
054 F000000 N
054 G000000 N
054 H000000 Y
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 N
054 M000000 Y
054 N000000 N
054 O000000 N
055 A000000 Y
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 0.0
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 70.9
062 P000000 0.0
062 Q000000 0.0
062 R000000 65.7
063 A000000 0
063 B000000 25.6
064 A000000 Y
064 B000000 N
066 A000000 N
067 000000 Y
068 A000000 N
068 B000000 N
069 000000 N
070 A010000 Y
070 A020000 N
070 B010000 Y
070 B020000 N
PAGE 7
070 C010000 Y
070 C020000 N
070 D010000 Y
070 D020000 N
070 E010000 Y
070 E020000 N
070 F010000 Y
070 F020000 N
070 G010000 Y
070 G020000 N
070 H010000 Y
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
070 J020000 Y
070 K010000 Y
070 K020000 Y
070 L010000 Y
070 L020000 N
070 M010000 Y
070 M020000 N
070 N010000 Y
070 N020000 N
070 O010000 Y
070 O020000 N
070 P010000 Y
070 P020000 Y
070 Q010000 N
070 Q020000 N
070 R010000 N
070 R020000 N
071 A000000 65631
071 B000000 57293
071 C000000 638329
071 D000000 9
072 A000000 6
072 B000000 9490
072 C000000 7380
072 D000000 0
072 E000000 0
072 F000000 1929
072 G000000 253
072 H000000 0
072 I000000 467
072 J000000 20
072 K000000 0
072 L000000 18
072 M000000 6
072 N000000 12
072 O000000 0
PAGE 8
072 P000000 0
072 Q000000 0
072 R000000 28
072 S000000 151
072 T000000 0
072 U000000 0
072 V000000 0
072 W000000 24
072 X000000 2908
072 Y000000 0
072 Z000000 13962
072AA000000 7987
072BB000000 0
072CC010000 2546
072CC020000 0
072DD010000 10504
072DD020000 0
072EE000000 333
073 A010000 0.3659
073 A020000 0.0000
073 B000000 0.0116
073 C000000 0.0000
074 A000000 0
074 B000000 0
074 C000000 0
074 D000000 336113
074 E000000 129967
074 F000000 180514
074 G000000 0
074 H000000 0
074 I000000 627
074 J000000 0
074 K000000 0
074 L000000 6747
074 M000000 1756
074 N000000 655724
074 O000000 3000
074 P000000 375
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 2098
074 S000000 176447
074 T000000 473804
074 U010000 28707
074 U020000 0
074 V010000 16.50
074 V020000 0.00
074 W000000 0.0000
074 X000000 13235
PAGE 9
074 Y000000 0
075 A000000 0
075 B000000 468550
076 000000 15.23
077 A000000 N
086 A010000 0
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
087 A010000 COMMON STOCK
087 A020000 72388R101
087 A030000 PBF
087 B010000 PREFERRED STOCK T7
087 B020000 72388R200
087 C010000 PREFERRED STOCK F7
087 C020000 72388R309
088 A000000 N
088 B000000 N
088 C000000 N
088 D000000 Y
SIGNATURE MARY KELLERMANN
TITLE ACCOUNTING MANAGER