D.C. Mun. Regs. tit. 17, r. 17-2937
Except by leave of the Director during a hearing, a party shall make an application for an order or other relief by filing a written motion. A motion shall state with particularity the grounds on which it is based and shall clearly set forth the order or relief sought. If a motion is supported by memoranda, affidavits, or other paper they shall be attached and served with the motion.
A copy of each motion, response, opposition, reply, or other pleading filed with the Director shall be served on each party, and a certificate of service shall appear at the end of the pleading showing the date and method of service.
A party may file a response or opposition to a motion within ten (10) days after service of the motion, but the Director, in the Director's discretion, may shorten or extend this time, with proper notice to parties. The response or opposition shall not include a motion for other affirmative relief against the moving party.
A reply to a response or opposition may be filed within three (3) business days after service of the response or opposition, but the reply shall not reargue propositions presented in the motion nor present matters which are not strictly in reply to the response or opposition. No further pleading may be filed except by leave of the Director for extraordinary cause.
A motion or other pleading shall meet the following additional requirements:
D.C. Mun. Regs. tit. 17, r. 17-2937