One copy of all documents and pleadings filed subsequent to the written request for a hearing, together with a certificate of service showing service to all other parties, shall be served by parties in the proceeding. Service shall be accomplished in accordance with 1 Pa. Code §§ 33.31-33.36.
67 Pa. Code § 491.8
The provisions of this §491.8 issued under the Administrative Agency Law, 2 Pa.C.S. §§ 501-508 and 701-704.
This section cited in 67 Pa. Code § 491.7 (relating to filing requirements).