    <SEC-DOCUMENT>0001193125-17-293406-index.html : 20170926
    <SEC-HEADER>0001193125-17-293406.hdr.sgml : 20170926
    <ACCEPTANCE-DATETIME>20170925215033
    ACCESSION NUMBER:		0001193125-17-293406
    CONFORMED SUBMISSION TYPE:	DFAN14A
    PUBLIC DOCUMENT COUNT:		9
    FILED AS OF DATE:		20170926
    DATE AS OF CHANGE:		20170925
    EFFECTIVENESS DATE:		20170926

    SUBJECT COMPANY:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			AUTOMATIC DATA PROCESSING INC
    		CENTRAL INDEX KEY:			0000008670
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
    		IRS NUMBER:				221467904
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			0630

    	FILING VALUES:
    		FORM TYPE:		DFAN14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-05397
    		FILM NUMBER:		171100808

    	BUSINESS ADDRESS:
    		STREET 1:		ONE ADP BOULVARD
    		CITY:			ROSELAND
    		STATE:			NJ
    		ZIP:			07068
    		BUSINESS PHONE:		9739745000

    	MAIL ADDRESS:
    		STREET 1:		ONE ADP BOULEVARD
    		CITY:			ROSELAND
    		STATE:			NJ
    		ZIP:			07068

    FILED BY:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Pershing Square Capital Management, L.P.
    		CENTRAL INDEX KEY:			0001336528
    		IRS NUMBER:				383694136
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DFAN14A

    	BUSINESS ADDRESS:
    		STREET 1:		888 SEVENTH AVENUE
    		STREET 2:		42ND FLOOR
    		CITY:			NEW YORK
    		STATE:			NY
    		ZIP:			10019
    		BUSINESS PHONE:		212-813-3700

    	MAIL ADDRESS:
    		STREET 1:		888 SEVENTH AVENUE
    		STREET 2:		42ND FLOOR
    		CITY:			NEW YORK
    		STATE:			NY
    		ZIP:			10019
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DFAN14A
    <SEQUENCE>1
    <FILENAME>d396631ddfan14a.htm
    <DESCRIPTION>DFAN14A
    <TEXT>
    Document 1 - file: d396631ddfan14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g396631email.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g396631email.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g396631img01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g396631img01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g396631img02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g396631img02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g396631img03.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g396631img03.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>g396631img04.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g396631img04.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g396631screen1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g396631screen1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>g396631screen2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g396631screen2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>g396631screen3.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: g396631screen3.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>