<SEC-DOCUMENT>0001167368-16-000145-index.html : 20161012
<SEC-HEADER>0001167368-16-000145.hdr.sgml : 20161012
<ACCEPTANCE-DATETIME>20161012170642
ACCESSION NUMBER:		0001167368-16-000145
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20161012
DATE AS OF CHANGE:		20161012
EFFECTIVENESS DATE:		20161012

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DREYFUS TREASURY SECURITIES CASH MANAGEMENT
		CENTRAL INDEX KEY:			0000843781
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			0228

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	033-25941
		FILM NUMBER:		161933626

	BUSINESS ADDRESS:	
		STREET 1:		THE DREYFUS CORPORATION
		STREET 2:		200 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166
		BUSINESS PHONE:		2129228297

	MAIL ADDRESS:	
		STREET 1:		C/O DREYFUS CORP
		STREET 2:		200 PARK AVENUE, 7TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DREYFUS TREASURY PRIME CASH MANAGEMENT
		DATE OF NAME CHANGE:	19920703

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DREYFUS NEW YORK MUNICIPAL CASH MANAGEMENT
		CENTRAL INDEX KEY:			0000878734
		IRS NUMBER:				113077343
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0731

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	033-42431
		FILM NUMBER:		161933629

	BUSINESS ADDRESS:	
		STREET 1:		200 PARK AVE
		STREET 2:		C/O DREYFUS CORP
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166
		BUSINESS PHONE:		2129228297

	MAIL ADDRESS:	
		STREET 1:		THE DREYFUS CORP
		STREET 2:		200 PARK AVE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DREYFUS NEW YORK TAX EXEMPT CASH MANAGEMENT
		DATE OF NAME CHANGE:	19600201

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DREYFUS MUNICIPAL CASH MANAGEMENT PLUS
		CENTRAL INDEX KEY:			0000867955
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	033-36821
		FILM NUMBER:		161933630

	BUSINESS ADDRESS:	
		STREET 1:		200 PARK AVE
		STREET 2:		THE DREYFUS CORPORATION
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166
		BUSINESS PHONE:		2129228297

	MAIL ADDRESS:	
		STREET 1:		C/O DREYFUS CORP
		STREET 2:		200 PARK AVENUE, 8TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DREYFUS INSTITUTIONAL PREFERRED MONEY MARKET FUNDS
		CENTRAL INDEX KEY:			0001038520
		IRS NUMBER:				000000000
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-26513
		FILM NUMBER:		161933632

	BUSINESS ADDRESS:	
		STREET 1:		200 PARK AVENUE
		STREET 2:		THE DREYFUS CORPORATION
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166
		BUSINESS PHONE:		2129226789

	MAIL ADDRESS:	
		STREET 1:		THE DREYFUS CORPORATION
		STREET 2:		200 PARK AVENUE, 8TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DREYFUS INSTITUTIONAL PREFERRED MONEY MARKET FUND
		DATE OF NAME CHANGE:	19970501

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DREYFUS GOVERNMENT CASH MANAGEMENT Funds
		CENTRAL INDEX KEY:			0000740766
		IRS NUMBER:				000000000
		FISCAL YEAR END:			0131

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	002-89359
		FILM NUMBER:		161933633

	BUSINESS ADDRESS:	
		STREET 1:		THE DREYFUS CORPORATION
		STREET 2:		200 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166
		BUSINESS PHONE:		2129228297

	MAIL ADDRESS:	
		STREET 1:		C/0 DREYFUS CORP
		STREET 2:		200 PARK AVENUE, 8TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DREYFUS GOVERNMENT CASH MANAGEMENT
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DREYFUS GOVERNMENT CASH MANAGEMENT INC
		DATE OF NAME CHANGE:	19880425

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CORNWALL GOVERNMENT SECURITIES MONEY MARKET FUND INC
		DATE OF NAME CHANGE:	19850310

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CITIZENSSELECT FUNDS
		CENTRAL INDEX KEY:			0001167368
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MD

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-82876
		FILM NUMBER:		161933624

	BUSINESS ADDRESS:	
		STREET 1:		200 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166
		BUSINESS PHONE:		212-922-6000

	MAIL ADDRESS:	
		STREET 1:		200 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DREYFUS CITIZENS SELECT FUNDS
		DATE OF NAME CHANGE:	20020213

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DREYFUS VARIABLE INVESTMENT FUND
		CENTRAL INDEX KEY:			0000813383
		IRS NUMBER:				133685668
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	033-13690
		FILM NUMBER:		161933625

	BUSINESS ADDRESS:	
		STREET 1:		THE DREYFUS CORPORATION
		STREET 2:		200 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166
		BUSINESS PHONE:		2129226832

	MAIL ADDRESS:	
		STREET 1:		C/O DREYFUS CORP
		STREET 2:		200 PARK AVENUE, 8TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DREYFUS VARIABLE LIFE INVESTMENT FUND
		DATE OF NAME CHANGE:	19890925

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Dreyfus Institutional Reserves Funds
		CENTRAL INDEX KEY:			0001423799
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-148652
		FILM NUMBER:		161933631

	BUSINESS ADDRESS:	
		STREET 1:		200 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166
		BUSINESS PHONE:		212-922-6000

	MAIL ADDRESS:	
		STREET 1:		200 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DREYFUS TREASURY & AGENCY CASH MANAGEMENT
		CENTRAL INDEX KEY:			0000796251
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			0731

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	033-06851
		FILM NUMBER:		161933627

	BUSINESS ADDRESS:	
		STREET 1:		THE DREYFUS CORPORATION
		STREET 2:		200 PARKA VENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166
		BUSINESS PHONE:		2129228297

	MAIL ADDRESS:	
		STREET 1:		C/O DREYFUS CORP
		STREET 2:		200 PARK AVENUE, 8TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DREYFUS TREASURY CASH MANAGEMENT
		DATE OF NAME CHANGE:	19920703

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DREYFUS TAX EXEMPT CASH MANAGEMENT FUNDS
		CENTRAL INDEX KEY:			0000740123
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			0131

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	002-89275
		FILM NUMBER:		161933628

	BUSINESS ADDRESS:	
		STREET 1:		THE DREYFUS CORPORATION
		STREET 2:		200 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166
		BUSINESS PHONE:		2129228297

	MAIL ADDRESS:	
		STREET 1:		C/O DREYFUS CORP
		STREET 2:		200 PARK AVENUE, 8TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DREYFUS TAX EXEMPT CASH MANAGEMENT
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DREYFUS TAX EXEMPT CASH MANAGEMENT INC
		DATE OF NAME CHANGE:	19880425

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CORNWALL TAX EXEMPT MONEY MARKET FUND INC
		DATE OF NAME CHANGE:	19850310
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<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000740123
<SERIES-ID>S000018306
<SERIES-NAME>Dreyfus California AMT-Free Municipal Cash Management
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000050495
<CLASS-CONTRACT-NAME>Institutional Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DIIXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000050497
<CLASS-CONTRACT-NAME>Investor Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DAIXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000050498
<CLASS-CONTRACT-NAME>Participant Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DFPXX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000740766
<SERIES-ID>S000000128
<SERIES-NAME>Dreyfus Government Cash Management
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000286
<CLASS-CONTRACT-NAME>dreyfus government cash management - Investor Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DGVXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000287
<CLASS-CONTRACT-NAME>dreyfus government cash mangement - Institutional Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DGCXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000288
<CLASS-CONTRACT-NAME>dreyfus government cash management - Administrative Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DAGXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000289
<CLASS-CONTRACT-NAME>Dreyfus Government Cash Management - Participant Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DPGXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000053659
<CLASS-CONTRACT-NAME>Agency Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DGMXX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000740766
<SERIES-ID>S000000129
<SERIES-NAME>Dreyfus Government Securities Cash Management
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000290
<CLASS-CONTRACT-NAME>Dreyfus Government Securities Cash Management - Investor Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DVPXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000291
<CLASS-CONTRACT-NAME>Dreyfus Government Securities Cash Management - Institutional Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DIPXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000292
<CLASS-CONTRACT-NAME>Dreyfus Government Securities Cash Management - Administrative Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DAPXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000293
<CLASS-CONTRACT-NAME>Dreyfus Government Securities Cash Management - Participant Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DGPXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000053660
<CLASS-CONTRACT-NAME>Dreyfus Government Securities Cash Management - Agency Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DRPXX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000796251
<SERIES-ID>S000000112
<SERIES-NAME>DREYFUS TREASURY & AGENCY CASH MANAGEMENT
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000251
<CLASS-CONTRACT-NAME>Institutional Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DTRXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000252
<CLASS-CONTRACT-NAME>Investor Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DTVXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000253
<CLASS-CONTRACT-NAME>Administrative Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DTAXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000254
<CLASS-CONTRACT-NAME>Participant Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DTPXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000053665
<CLASS-CONTRACT-NAME>Agency Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DYAXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000053675
<CLASS-CONTRACT-NAME>Premier Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DYPXX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000813383
<SERIES-ID>S000001923
<SERIES-NAME>Government Money Market Portfolio
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000005072
<CLASS-CONTRACT-NAME>Government Money Market Portfolio
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000843781
<SERIES-ID>S000000113
<SERIES-NAME>DREYFUS TREASURY SECURITIES CASH MANAGEMENT
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000255
<CLASS-CONTRACT-NAME>Institutional Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DIRXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000256
<CLASS-CONTRACT-NAME>Investor Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DVRXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000257
<CLASS-CONTRACT-NAME>Administrative Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DARXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000258
<CLASS-CONTRACT-NAME>Participant Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DPRXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000053666
<CLASS-CONTRACT-NAME>Agency Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DSAXX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000867955
<SERIES-ID>S000000326
<SERIES-NAME>DREYFUS MUNICIPAL CASH MANAGEMENT PLUS
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000805
<CLASS-CONTRACT-NAME>Institutional Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DIMXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000806
<CLASS-CONTRACT-NAME>Investor Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DVMXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000807
<CLASS-CONTRACT-NAME>Administrative Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DAMXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000808
<CLASS-CONTRACT-NAME>Participant Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DMPXX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000878734
<SERIES-ID>S000000331
<SERIES-NAME>DREYFUS NEW YORK MUNICIPAL CASH MANAGEMENT
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000819
<CLASS-CONTRACT-NAME>Institutional Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DIYXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000820
<CLASS-CONTRACT-NAME>Investor Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DVYXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000821
<CLASS-CONTRACT-NAME>Administrative Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DAYXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000822
<CLASS-CONTRACT-NAME>Participant Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DPYXX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001038520
<SERIES-ID>S000002772
<SERIES-NAME>Dreyfus Institutional Preferred Government Plus Money Market Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007598
<CLASS-CONTRACT-NAME>Dreyfus Institutional Preferred Government Plus Money Market Fund
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001167368
<SERIES-ID>S000000377
<SERIES-NAME>Dreyfus Prime Money Market Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000971
<CLASS-CONTRACT-NAME>Citizens Shares
<CLASS-CONTRACT-TICKER-SYMBOL>CZAXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000972
<CLASS-CONTRACT-NAME>Class B
<CLASS-CONTRACT-TICKER-SYMBOL>CZBXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000974
<CLASS-CONTRACT-NAME>Class C formerly, class D
<CLASS-CONTRACT-TICKER-SYMBOL>CZDXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000167187
<CLASS-CONTRACT-NAME>Class A
<CLASS-CONTRACT-TICKER-SYMBOL>CZEXX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001167368
<SERIES-ID>S000000378
<SERIES-NAME>Dreyfus Institutional Preferred Treasury Securities Money Market Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000975
<CLASS-CONTRACT-NAME>Hamilton Shares
<CLASS-CONTRACT-TICKER-SYMBOL>CEAXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000976
<CLASS-CONTRACT-NAME>Premier Shares
<CLASS-CONTRACT-TICKER-SYMBOL>CEBXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000167188
<CLASS-CONTRACT-NAME>Institutional Shares
<CLASS-CONTRACT-TICKER-SYMBOL>CEIXX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001423799
<SERIES-ID>S000021488
<SERIES-NAME>Dreyfus Institutional Preferred Government Money Market Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000061453
<CLASS-CONTRACT-NAME>Institutional Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DSVXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000061454
<CLASS-CONTRACT-NAME>Hamilton Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DSHXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000061455
<CLASS-CONTRACT-NAME>Agency Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DRGXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000061456
<CLASS-CONTRACT-NAME>Premier Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DERXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000061457
<CLASS-CONTRACT-NAME>Classic Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DLSXX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001423799
<SERIES-ID>S000021490
<SERIES-NAME>Dreyfus Institutional Treasury and Agency Cash Advantage Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000061462
<CLASS-CONTRACT-NAME>Institutional Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DNSXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000061463
<CLASS-CONTRACT-NAME>Hamilton Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DHLXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000061464
<CLASS-CONTRACT-NAME>Agency Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DGYXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000061465
<CLASS-CONTRACT-NAME>Premier Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DRRXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000061466
<CLASS-CONTRACT-NAME>Classic Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DSSXX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001423799
<SERIES-ID>S000021491
<SERIES-NAME>Dreyfus Institutional Treasury Securities Cash Advantage Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000061467
<CLASS-CONTRACT-NAME>Institutional Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DUPXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000061468
<CLASS-CONTRACT-NAME>Hamilton Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DHMXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000061470
<CLASS-CONTRACT-NAME>Premier Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DMEXX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>497
<SEQUENCE>1
<FILENAME>dry-mmfs1016.htm
<DESCRIPTION>SUPPLEMENT TO SAI
<TEXT>
Document 1 - file: dry-mmfs1016.htm

</DOCUMENT>
</SEC-DOCUMENT>