EXHIBIT 24




                         AUTOMATIC DATA PROCESSING, INC.


                          Authorization and Designation
                                to Sign and File
                           Section 16 Reporting Forms


      The undersigned, AUGUSTO J. BLANCHARD, a corporate vice
president of Automatic Data Processing, Inc., a Delaware
corporation (the "Company"), does 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/ Augusto J. Blanchard
                                    -----------------------------
                                     AUGUSTO J. BLANCHARD


Date signed:   __1/12/22__________