16 Pa. Stat. § 4704
The county treasurer shall be the treasurer of the board, and shall give such bond for the proper performance of his duties as is required by the board. The premium on said bond shall be paid from the retirement fund on warrants of the board. The controller and the treasurer each shall receive for their service the sum of five hundred dollars ($500) per annum from the retirement fund, payable on warrants of the board. The controller shall be the secretary of the board.
The board shall have power and authority to pay all necessary expenses in the administration of the retirement system, employ one solicitor and necessary assistants, who shall receive such compensation as the board shall fix, which shall be paid from the retirement fund on warrants of the board.
The board may authorize one or more of its assistants to administer to all persons oaths and affirmations pertaining to the business of the retirement system.
16 P.S. § 4704