The commission has the authority to issue subpoenas for the purpose of requiring the attendance of persons and the production of documents relating to any function which the commission or its staff is authorized to perform pursuant to this act. The chairperson or the executive director may sign a subpoena. The subpoena may be served in any manner authorized under the laws of this Commonwealth. The commission is authorized to apply to the Commonwealth Court to enforce its subpoenas.
71 P.S. § 745.10