The Commissioner may issue subpoenas for the attendance of witnesses, or the production of books, papers, records, or other documents at any hearing.
Subpoenas issued pursuant to this section shall be under seal of the Commissioner, and shall describe the document or name the person ordered to be produced, or required to attend the hearing.
A subpoena may be served in the same manner as in, and by any person authorized by the Rules of Civil Procedure of the Superior Court of the District of Columbia. A person serving a subpoena shall note the manner, place, and time of service in an affidavit, the original of which shall be made part of the official record.
D.C. Mun. Regs. tit. 26, r. 26-B303