18 Pa.C.S. § 6910: Unauthorized sale or transfer of tickets.

(a) Sale of tickets.--A person, not possessed of authority, is guilty of a misdemeanor of the third degree if he sells, barters, or transfers, for any consideration whatever, the whole or any part of any ticket or tickets, passes, or other evidences of the title of the holder to travel on any public conveyance, whether the same be situated, operated, or owned within or without the limits of this Commonwealth.

(b) Disposition by passenger.--Every person, being a passenger for hire, to whom has been issued a nontransferable ticket valid in full or part payment of fare for passage upon any public conveyance operated upon the same or any other line or route, or any person into whose possession any such ticket may come, who shall sell, barter, give away, or otherwise transfer the same, and every person who shall offer for passage any such ticket which was not issued to any person so offering it, is guilty of a summary offense.