<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>4
<FILENAME>ex992_10qa-093002.txt
<DESCRIPTION>EXHIBIT 99.2
<TEXT>
                                                                    EXHIBIT 99.2
                                                                    ------------

                        AUTOMATIC DATA PROCESSING, INC.


                  CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER
                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002



                  In connection with the Quarterly Report of Automatic Data
Processing, Inc. (the "Company") on Form 10-Q for the fiscal quarter ending
September 30, 2002 as filed with the Securities and Exchange Commission on the
date hereof (the "Report"), I, Karen E. Dykstra, Vice President, Finance
(Principal Financial Officer) of the Company, certify, pursuant to 18 U.S.C. ss.
1350, as adopted pursuant to ss. 906 of the Sarbanes-Oxley Act of 2002, that:


                  (1) The Report fully complies with the requirements of section
         13(a) or 15(d) of the Securities Exchange Act of 1934; and


                  (2) The information contained in the Report fairly presents,
         in all material respects, the financial condition and result of
         operations of the Company.



/s/ Karen E. Dykstra
-----------------------------
Karen E. Dykstra
Vice President, Finance
(Principal Financial Officer)
November 1, 2002

</TEXT>
</DOCUMENT>
