31 Pa. Stat. § 700j-203
The board may appoint a secretary to hold office at its pleasure. The secretary, if appointed, shall have such powers and shall perform such duties, not contrary to law, as the board shall prescribe, and shall receive such compensation as the board, with the approval of the Governor, shall determine. The secretary shall have power and authority to designate, from time to time, one of the clerks appointed by the board to perform the duties of the secretary during his absence, and the clerk so appointed shall exercise, for the time so designated, the powers of the secretary of the board.
Except as otherwise specifically provided in this act, the board and its employes shall be subject to all the provisions of The Administrative Code of one thousand nine hundred twenty-nine, approved the ninth day of April, one thousand nine hundred twenty-nine (Pamphlet Laws, one hundred seventy-seven), its amendments and supplements, which apply generally to independent administrative boards or commissions.
No person employed in the work of the board shall, for a period of two years after leaving the service of the board, be eligible to appear before the board representing any person interested in any proceeding pending before the board.
31 P.S. § 700j-203