<PAGE> PAGE 1
000 A000000 12/31/96
000 C000000 0000868055
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 Y
000 H000000 N
000 I000000 3.0
000 J000000 A
001 A000000 PAINEWEBBER MUNICIPAL MONEY MARKET SERIES
001 B000000 811-6173
001 C000000 2127131074
002 A000000 1285 AVENUE OF THE AMERICAS
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10019
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 2
007 C010100 1
007 C020100 RMA CONNECTICUT MUNICIPAL MONEY FUND
007 C030100 N
007 C010200 2
007 C020200 RMA NEW JERSEY MUNICIPAL MONEY FUND
007 C030200 N
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 A00AA01 PAINEWEBBER INC.
008 B00AA01 A
008 C00AA01 801-16267
008 D01AA01 NEW YORK
008 D02AA01 NY
008 D03AA01 10019
008 A00AA02 MITCHELL HUTCHINS ASSET MANAGEMENT
008 B00AA02 S
008 C00AA02 801-13219
008 D01AA02 NEW YORK
008 D02AA02 NY
008 D03AA02 10019
010 A00AA01 PAINEWEBBER INC.
010 B00AA01 801-16267
010 C01AA01 NEW YORK
<PAGE> PAGE 2
010 C02AA01 NY
010 C03AA01 10019
010 A00AA02 MITCHELL HUTCHINS ASSET MANAGEMENT
010 B00AA02 801-13219
010 C01AA02 NEW YORK
010 C02AA02 NY
010 C03AA02 10019
011 A00AA01 PAINEWEBBER INC.
011 B00AA01 8-16267
011 C01AA01 NEW YORK
011 C02AA01 NY
011 C03AA01 10019
012 A00AA01 PFPC, INC.
012 B00AA01 85-00000
012 C01AA01 WILMINGTON
012 C02AA01 DE
012 C03AA01 19809
013 A00AA01 ERNST & YOUNG, LLP
013 B01AA01 NEW YORK
013 B02AA01 NY
013 B03AA01 10019
014 A00AA01 PAINEWEBBER INC.
014 B00AA01 8-16267
018 00AA00 Y
019 A00AA00 Y
019 B00AA00 63
019 C00AA00 PAINEWEBBE
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 GOLDMAN SACHS
022 B000001 13-510880
022 C000001 23560
022 D000001 600
022 A000002 SMITH BARNEY INC.
022 B000002 13-1912900
022 C000002 14248
022 D000002 12400
022 A000003 CITICORP
022 B000003 00-0000000
022 C000003 11200
022 D000003 13700
022 A000004 LEHMAN BROTHERS INC.
<PAGE> PAGE 3
022 B000004 00-0000000
022 C000004 23560
022 D000004 600
022 A000005 J.P. MORGAN
022 B000005 13-3224016
022 C000005 6895
022 D000005 4200
022 A000006 MORGAN STANLEY & CO.
022 B000006 13-2655998
022 C000006 6500
022 D000006 4400
022 A000007 MERRILL LYNCH PIERCE FENNER
022 B000007 13-5674085
022 C000007 3000
022 D000007 3700
022 A000008 NUVEEN
022 B000008 00-0000000
022 C000008 3000
022 D000008 2700
022 A000009 HANAUER J.B.
022 B000009 00-0000000
022 C000009 1746
022 D000009 0
022 A000010 BEAR STERANS SECURITIES
022 B000010 00-0000000
022 C000010 1737
022 D000010 0
023 C000000 100933
023 D000000 50470
024 00AA00 N
025 D00AA01 0
025 D00AA02 0
025 D00AA03 0
025 D00AA04 0
025 D00AA05 0
025 D00AA06 0
025 D00AA07 0
025 D00AA08 0
026 A000000 N
026 B000000 N
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 Y
027 000000 Y
029 00AA00 N
030 A00AA00 0
030 B00AA00 0.00
<PAGE> PAGE 4
030 C00AA00 0.00
031 A00AA00 0
031 B00AA00 0
032 00AA00 0
033 00AA00 0
034 00AA00 N
035 00AA00 0
036 B00AA00 0
037 00AA00 N
038 00AA00 0
039 00AA00 N
040 00AA00 Y
041 00AA00 Y
045 00AA00 Y
046 00AA00 N
047 00AA00 Y
048 00AA00 0.500
048 A01AA00 0
048 A02AA00 0.000
048 B01AA00 0
048 B02AA00 0.000
048 C01AA00 0
048 C02AA00 0.000
048 D01AA00 0
048 D02AA00 0.000
048 E01AA00 0
048 E02AA00 0.000
048 F01AA00 0
048 F02AA00 0.000
048 G01AA00 0
048 G02AA00 0.000
048 H01AA00 0
048 H02AA00 0.000
048 I01AA00 0
048 I02AA00 0.000
048 J01AA00 0
048 J02AA00 0.000
048 K01AA00 0
048 K02AA00 0.000
049 00AA00 N
050 00AA00 N
051 00AA00 N
052 00AA00 N
053 A00AA00 N
054 A00AA00 Y
054 B00AA00 Y
054 C00AA00 N
054 D00AA00 N
054 E00AA00 N
054 F00AA00 N
054 G00AA00 Y
<PAGE> PAGE 5
054 H00AA00 Y
054 I00AA00 N
054 J00AA00 Y
054 K00AA00 N
054 L00AA00 N
054 M00AA00 Y
054 N00AA00 N
054 O00AA00 N
055 A00AA00 N
055 B00AA00 N
056 00AA00 N
057 00AA00 N
058 A00AA00 N
059 00AA00 Y
060 A00AA00 N
060 B00AA00 N
061 00AA00 1000
066 A00AA00 N
067 00AA00 N
068 A00AA00 N
068 B00AA00 N
069 00AA00 N
070 A01AA00 Y
070 A02AA00 N
070 B01AA00 N
070 B02AA00 N
070 C01AA00 N
070 C02AA00 N
070 D01AA00 N
070 D02AA00 N
070 E01AA00 N
070 E02AA00 N
070 F01AA00 N
070 F02AA00 N
070 G01AA00 N
070 G02AA00 N
070 H01AA00 N
070 H02AA00 N
070 I01AA00 N
070 I02AA00 N
070 J01AA00 Y
070 J02AA00 N
070 K01AA00 Y
070 K02AA00 N
070 L01AA00 N
070 L02AA00 N
070 M01AA00 N
070 M02AA00 N
070 N01AA00 Y
070 N02AA00 N
070 O01AA00 Y
<PAGE> PAGE 6
070 O02AA00 N
070 P01AA00 Y
070 P02AA00 N
070 Q01AA00 N
070 Q02AA00 N
070 R01AA00 N
070 R02AA00 N
077 A000000 N
078 000000 N
080 A00AA00 ICI MUTUAL INSURANCE CO.
080 C00AA00 0
081 A00AA00 Y
081 B00AA00 62
082 A00AA00 N
082 B00AA00 0
083 A00AA00 N
083 B00AA00 0
084 A00AA00 N
084 B00AA00 0
085 A00AA00 Y
085 B00AA00 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
015 A000101 STATE STREET BANK
015 B000101 C
015 C010101 NORTH QUINCY
015 C020101 MA
015 C030101 02171
015 E010101 X
028 A010100 6823
028 A020100 29
028 A030100 0
028 A040100 7487
028 B010100 5726
028 B020100 42
028 B030100 0
028 B040100 5292
028 C010100 4219
028 C020100 32
028 C030100 0
028 C040100 4777
<PAGE> PAGE 7
028 D010100 6707
028 D020100 32
028 D030100 0
028 D040100 6489
028 E010100 5447
028 E020100 34
028 E030100 0
028 E040100 24032
028 F010100 0
028 F020100 0
028 F030100 0
028 F040100 0
028 G010100 28922
028 G020100 169
028 G030100 0
028 G040100 48077
028 H000100 0
042 A000100 0
042 B000100 0
042 C000100 0
042 D000100 0
042 E000100 0
042 F000100 0
042 G000100 0
042 H000100 100
043 000100 9
044 000100 0
062 A000100 Y
062 B000100 0.0
062 C000100 0.0
062 D000100 0.0
062 E000100 0.5
062 F000100 0.0
062 G000100 0.0
062 H000100 0.0
062 I000100 0.0
062 J000100 0.0
062 K000100 0.0
062 L000100 0.5
062 M000100 0.0
062 N000100 0.0
062 O000100 0.0
062 P000100 0.0
062 Q000100 0.0
062 R000100 0.0
063 A000100 51
063 B000100 0.0
064 A000100 Y
064 B000100 N
071 A000100 0
071 B000100 0
<PAGE> PAGE 8
071 C000100 0
071 D000100 0
072 A000100 5
072 B000100 245
072 C000100 0
072 D000100 0
072 E000100 0
072 F000100 38
072 G000100 0
072 H000100 0
072 I000100 5
072 J000100 0
072 K000100 4
072 L000100 9
072 M000100 2
072 N000100 2
072 O000100 0
072 P000100 0
072 Q000100 0
072 R000100 7
072 S000100 2
072 T000100 9
072 U000100 0
072 V000100 0
072 W000100 4
072 X000100 82
072 Y000100 0
072 Z000100 163
072AA000100 0
072BB000100 0
072CC010100 0
072CC020100 0
072DD010100 163
072DD020100 0
072EE000100 0
073 A010100 0.0085
073 A020100 0.0000
073 B000100 0.0000
073 C000100 0.0000
074 A000100 0
074 B000100 0
074 C000100 0
074 D000100 0
074 E000100 0
074 F000100 0
074 G000100 0
074 H000100 0
074 I000100 0
074 J000100 0
074 K000100 0
074 L000100 0
<PAGE> PAGE 9
074 M000100 0
074 N000100 0
074 O000100 0
074 P000100 0
074 Q000100 0
074 R010100 0
074 R020100 0
074 R030100 0
074 R040100 0
074 S000100 0
074 T000100 0
074 U010100 0
074 U020100 0
074 V010100 0.00
074 V020100 0.00
074 W000100 0.0000
074 X000100 0
074 Y000100 0
075 A000100 19052
075 B000100 0
076 000100 0.00
015 A000201 STATE STREET BANK
015 B000201 C
015 C010201 NORTH QUINCY
015 C020201 MA
015 C030201 02171
015 E010201 X
028 A010200 18882
028 A020200 73
028 A030200 0
028 A040200 17918
028 B010200 18747
028 B020200 107
028 B030200 0
028 B040200 16915
028 C010200 15960
028 C020200 87
028 C030200 0
028 C040200 15953
028 D010200 16397
028 D020200 89
028 D030200 0
028 D040200 18885
028 E010200 18430
028 E020200 108
028 E030200 0
028 E040200 18700
028 F010200 23793
028 F020200 85
028 F030200 0
028 F040200 20724
<PAGE> PAGE 10
028 G010200 112209
028 G020200 549
028 G030200 0
028 G040200 109095
028 H000200 0
042 A000200 0
042 B000200 0
042 C000200 0
042 D000200 0
042 E000200 0
042 F000200 0
042 G000200 0
042 H000200 100
043 000200 27
044 000200 0
062 A000200 Y
062 B000200 0.0
062 C000200 0.0
062 D000200 0.0
062 E000200 99.4
062 F000200 0.0
062 G000200 0.0
062 H000200 0.0
062 I000200 0.0
062 J000200 0.0
062 K000200 0.0
062 L000200 0.6
062 M000200 0.0
062 N000200 0.0
062 O000200 0.0
062 P000200 0.0
062 Q000200 0.0
062 R000200 0.0
063 A000200 39
063 B000200 0.0
064 A000200 Y
064 B000200 N
071 A000200 0
071 B000200 0
071 C000200 0
071 D000200 0
072 A000200 6
072 B000200 764
072 C000200 0
072 D000200 0
072 E000200 0
072 F000200 113
072 G000200 0
072 H000200 0
072 I000200 9
072 J000200 3
<PAGE> PAGE 11
072 K000200 1
072 L000200 11
072 M000200 6
072 N000200 3
072 O000200 0
072 P000200 0
072 Q000200 0
072 R000200 6
072 S000200 6
072 T000200 27
072 U000200 0
072 V000200 0
072 W000200 3
072 X000200 188
072 Y000200 0
072 Z000200 576
072AA000200 0
072BB000200 0
072CC010200 0
072CC020200 0
072DD010200 576
072DD020200 0
072EE000200 0
073 A010200 0.0136
073 A020200 0.0000
073 B000200 0.0000
073 C000200 0.0000
074 A000200 0
074 B000200 0
074 C000200 45602
074 D000200 0
074 E000200 0
074 F000200 0
074 G000200 0
074 H000200 0
074 I000200 0
074 J000200 0
074 K000200 0
074 L000200 376
074 M000200 0
074 N000200 45978
074 O000200 0
074 P000200 24
074 Q000200 0
074 R010200 0
074 R020200 0
074 R030200 0
074 R040200 56
074 S000200 0
074 T000200 45898
074 U010200 45903
<PAGE> PAGE 12
074 U020200 0
074 V010200 1.00
074 V020200 0.00
074 W000200 0.9999
074 X000200 1211
074 Y000200 0
075 A000200 45464
075 B000200 0
076 000200 0.00
015 A000301 DELETE
SIGNATURE JULIAN SLUYTERS
TITLE TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000868055
<NAME> PAINEWEBBER MUNICIPAL MONEY MARKET SERIES
<SERIES>
<NUMBER> 2
<NAME> RMA NEW JERSEY MUNICIPAL MONEY FUND
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-1997
<PERIOD-START> JUL-01-1996
<PERIOD-END> DEC-31-1996
<INVESTMENTS-AT-COST> 45602
<INVESTMENTS-AT-VALUE> 45602
<RECEIVABLES> 376
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 45978
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 80
<TOTAL-LIABILITIES> 80
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 45902
<SHARES-COMMON-STOCK> 45902
<SHARES-COMMON-PRIOR> 42237
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (4)
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 45898
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 764
<OTHER-INCOME> 0
<EXPENSES-NET> (188)
<NET-INVESTMENT-INCOME> 576
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 576
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (576)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 112210
<NUMBER-OF-SHARES-REDEEMED> (109095)
<SHARES-REINVESTED> 550
<NET-CHANGE-IN-ASSETS> 3665
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (3)
<GROSS-ADVISORY-FEES> 113
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 188
<AVERAGE-NET-ASSETS> 44784
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> .014
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> (.014)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> .83
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000868055
<NAME> PAINEWEBBER MUNICIPAL MONEY MARKET SERIES
<SERIES>
<NUMBER> 1
<NAME> RMA CONNECTICUT MUNICIPAL MONEY FUND
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-1997
<PERIOD-START> JUL-01-1996
<PERIOD-END> DEC-31-1996
<INVESTMENTS-AT-COST> 0
<INVESTMENTS-AT-VALUE> 0
<RECEIVABLES> 0
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 0
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 0
<TOTAL-LIABILITIES> 0
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 0
<SHARES-COMMON-STOCK> 0
<SHARES-COMMON-PRIOR> 18986
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 0
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 246
<OTHER-INCOME> 0
<EXPENSES-NET> (83)
<NET-INVESTMENT-INCOME> 163
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 163
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (163)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 28923
<NUMBER-OF-SHARES-REDEEMED> (487078)
<SHARES-REINVESTED> 169
<NET-CHANGE-IN-ASSETS> 684
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (7)
<GROSS-ADVISORY-FEES> 39
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 83
<AVERAGE-NET-ASSETS> 19052
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> .01
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> (.01)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 1.08
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>