D.C. Mun. Regs. tit. 17, r. 17-1723
Except by leave of the Hearing Examiner during a hearing, an application for an order or other relief shall be made by 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 to be supported by memoranda, affidavits, or other papers, they shall be attached and served with the motion.
A copy of each motion, opposition, reply, or other pleading filed shall be served on each party separately represented, and a certificate of service shall appear at the end of the pleading showing the date and method of service.
Any party may file a response or opposition to a motion within ten (10) days after service of the motion but the Hearing Examiner may shorten or extend this time. 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) days after service of the response or opposition, but a reply shall not re-argue propositions, presented in the motion nor present matters which are not strictly in reply to the response or opposition. No further pleadings may be filed except by leave of the Hearing Examiner.
A motion or other pleading shall meet the following additional requirements:
D.C. Mun. Regs. tit. 17, r. 17-1723