DAYXX Dreyfus New York Municipal Cash Mgmt Administrative Shs (MM)

000 A000000 07/31/2012
000 C000000 0000878734
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 U
001 A000000 DREYFUS NEW YORK MUNICIPAL CASH MANAGEMENT
001 B000000 811-6395
001 C000000 2129226837
002 A000000 200 PARK AVENUE
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10166
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
008 A000001 THE DREYFUS CORPORATION
008 B000001 A
008 C000001 801-8147
008 D010001 NEW YORK
008 D020001 NY
008 D030001 10166
011 A000001 MBSC SECURITIES CORPORATION
011 B000001 8-13801
011 C010001 NEW YORK
011 C020001 NY
011 C030001 10166
012 A000001 DREYFUS TRANSFER, INC.
012 B000001 85-11312
012 C010001 NEW YORK
012 C020001 NY
012 C030001 10166
013 A000001 ERNST & YOUNG LLP
013 B010001 NEW YORK
013 B020001 NY
013 B030001 10036
014 A000001 BNY MELLON CAPITAL MARKETS, LLC
014 B000001 8-35255
014 A000002 CONVERGEX EXECUTION SOLUTIONS, LLC
014 B000002 8-46838
014 A000003 CONVERGEX PRIME SERVICES
014 B000003 8-67289
014 A000004 EZE CASTLE TRANSACTION SERVICES LLC
014 B000004 8-66577
014 A000005 G-TRADE SERVICES LLC

014 B000005 8-67304
014 A000006 MBSC SECURITIES CORPORATION
014 B000006 8-13801
014 A000007 PERSHING ADVISOR SOLUTIONS LLC
014 B000007 8-47425
014 A000008 PERSHING LLC
014 B000008 8-17574
014 A000009 WESTMINSTER RESEARCH ASSOCIATES LLC
014 B000009 8-28900
015 A000001 THE BANK OF NEW YORK MELLON
015 B000001 C
015 C010001 NEW YORK
015 C020001 NY
015 C030001 10286
015 E030001 X
018 000000 Y
019 A000000 Y
019 B000000 156
019 C000000 DREYFUSFAM
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 BARCLAYS CAPITAL INC.
022 B000001 06-1031656
022 C000001 205890
022 D000001 43370
022 A000002 J.P. MORGAN SECURITIES INC.
022 B000002 13-3299429
022 C000002 107764
022 D000002 98970
022 A000003 WELLS FARGO & CO.
022 B000003 41-0449260
022 C000003 90780
022 D000003 91365
022 A000004 US BANK NATIONAL ASSOCIATION
022 B000004 31-0841368
022 C000004 84475
022 D000004 90675
022 A000005 CITIGROUP INC.
022 B000005 52-1568099
022 C000005 83625
022 D000005 39925
022 A000006 BANK OF AMERICA NA

022 B000006 94-1687665
022 C000006 57229
022 D000006 36480
022 A000007 JEFFERIES & COMPANY, INC.
022 B000007 95-2622900
022 C000007 32383
022 D000007 9450
022 A000008 TD WEALTH MANAGEMENT SERVICES INC.
022 B000008 23-2177819
022 C000008 22285
022 D000008 16080
022 A000009 BB &T CORP
022 B000009 56-0939887
022 C000009 23100
022 D000009 15000
022 A000010 SAMUEL A. RAMIREZ & CO., INC.
022 B000010 13-2695511
022 C000010 27200
022 D000010 4200
023 C000000 785542
023 D000000 485010
024 000000 Y
025 A000001 J.P. MORGAN SECURITIES INC.
025 B000001 13-3299429
025 C000001 D
025 D000001 2620
025 A000002 WELLS FARGO & CO.
025 B000002 41-0449260
025 C000002 D
025 D000002 24180
025 D000003 0
025 D000004 0
025 D000005 0
025 D000006 0
025 D000007 0
025 D000008 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
028 A010000 92959
028 A020000 0
028 A030000 0
028 A040000 108577
028 B010000 89201

028 B020000 0
028 B030000 0
028 B040000 100367
028 C010000 75172
028 C020000 2
028 C030000 0
028 C040000 120234
028 D010000 58626
028 D020000 1
028 D030000 0
028 D040000 80517
028 E010000 101690
028 E020000 0
028 E030000 0
028 E040000 137103
028 F010000 72475
028 F020000 0
028 F030000 0
028 F040000 70246
028 G010000 490123
028 G020000 3
028 G030000 0
028 G040000 617044
028 H000000 0
029 000000 N
030 A000000 0
030 B000000 0.00
030 C000000 0.00
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031 B000000 0
032 000000 0
033 000000 0
034 000000 N
035 000000 0
036 B000000 0
037 000000 N
038 000000 0
039 000000 N
040 000000 Y
041 000000 Y
042 A000000 0
042 B000000 0
042 C000000 100
042 D000000 0
042 E000000 0
042 F000000 0
042 G000000 0
042 H000000 0
043 000000 311
044 000000 0
045 000000 Y

046 000000 N
047 000000 Y
048 000000 0.200
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048 A020000 0.000
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048 C010000 0
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048 I010000 0
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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 Y
053 B000000 Y
053 C000000 N
054 A000000 Y
054 B000000 Y
054 C000000 Y
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 Y
054 H000000 N
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 Y
054 M000000 Y
054 N000000 N
054 O000000 Y
055 A000000 Y
055 B000000 N
056 000000 Y
057 000000 N

058 A000000 N
059 000000 Y
060 A000000 N
060 B000000 N
061 000000 10000000
062 A000000 Y
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062 D000000 0.0
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062 R000000 0.0
063 A000000 45
063 B000000 0.0
064 A000000 Y
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 N
070 C020000 N
070 D010000 N
070 D020000 N
070 E010000 N
070 E020000 N
070 F010000 N
070 F020000 N
070 G010000 N
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 Y
070 Q010000 N
070 Q020000 N
070 R010000 N
070 R020000 N
071 A000000 0
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072 D000000 0
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072 F000000 557
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072 I000000 9
072 J000000 23
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072 L000000 5
072 M000000 2
072 N000000 20
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072 P000000 0
072 Q000000 0
072 R000000 22
072 S000000 16
072 T000000 311
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072 V000000 0
072 W000000 28
072 X000000 993
072 Y000000 360
072 Z000000 22
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072DD010000 22
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073 A010000 0.0000
073 A020000 0.0000
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074 L000000 426
074 M000000 30
074 N000000 492166
074 O000000 0
074 P000000 107
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 55
074 S000000 0
074 T000000 492004
074 U010000 267833
074 U020000 224174
074 V010000 0.00
074 V020000 0.00
074 W000000 1.0000
074 X000000 115
074 Y000000 0
075 A000000 560480
075 B000000 0
076 000000 0.00
077 A000000 N
SIGNATURE JOHN B. HAMMALIAN
TITLE VICE PRESIDENT