When a party is allowed to or required to take action within a specific time period under this chapter or an order of the Rent Administrator, the party may request, by motion, an extension of the time period, even after the period has expired.
Motions under this section shall set forth good cause for the relief requested.
Before filing a motion under this section, a party must make a good faith effort to ask all parties if they agree to the motion, in accordance with § 3920.6.
D.C. Mun. Regs. tit. 14, r. 14-3925