EXHIBIT 24
                                                                



                         AUTOMATIC DATA PROCESSING, INC.


                          Authorization and Designation
                                to Sign and File
                           Section 16 Reporting Forms


     The undersigned, SAMANTHA D. ORIHUELA, an officer of Automatic Data
Processing, Inc., a Delaware corporation (the Company), does hereby
authorize and designate DOROTHY WISNIOWSKI and MARY B. WOODS to
(i) obtain Electronic Data Gathering and Retrieval (EDGAR) filing
codes, (ii) enroll the undersigned in EDGAR Next, (iii) prepare,
execute and submit to the U.S. Securities and Exchange Commission
a Form ID, amendments thereto and such other documents and
information as may be necessary or appropriate to obtain EDGAR codes,
and (iv) serve as EDGAR account administrators.  The undersigned does
further hereby authorize and designate DAVID KWON, DOROTHY WISNIOWSKI
and MICHAEL A. BONARTI to sign and file on my behalf any and all
Forms 3, 4, 5 and 144 relating to equity securities of the Company
pursuant to the requirements of Section 16 of the Securities Exchange
Act of 1934 (Section 16).  This authorization, unless earlier revoked
by the undersigned in writing, shall be valid until the undersigned's
reporting obligations under Section 16 with respect to equity securities
of the Company shall cease.

      

                                    /s/ Samantha D. Orihuela
                                    ---------------------------
                                     SAMANTHA D. ORIHUELA


Date signed:  July 30, 2026