The Commission may issue a subpoena requiring the production of documents or the attendance and testimony of witnesses, or a subpoena may be issued by the Commission on its own initiative.
A subpoena issued by the Commission shall:
A subpoena may be served in the same manner and by any person authorized by the civil rules of the Superior Court of the District of Columbia; provided, that no witness fees are required.
D.C. Mun. Regs. tit. 14, r. 14-3817