D.C. Mun. Regs. tit. 15, r. 15-140
Any person affected by any final order or decision of the Commission may, within thirty (30) days after the publication of the order or decision, file with the Commission an application in writing requesting a reconsideration or modification of the matters involved. (See Paragraph 64 of the Act of March 4, 1913, as amended, D.C.Code § 43-904 (1981 Ed.))
Applications for reconsideration or modification shall set forth specifically the grounds on which the applicant considers the order or decision of the Commission to be unlawful or erroneous.
Responses to applications for reconsideration or modification shall be considered by the Commission only if filed with the Commission within five (5) business days after receipt of the application.
The Commission may, in its discretion, permit or require oral argument or briefs or both upon application for reconsideration or modification.
The Commission shall, within thirty (30) days after the filing of the application, either grant or deny the application for reconsideration or modification. Failure by the Commission to act within that period shall be considered a denial of the, application.
If the application is granted, the Commission shall, after notice to all parties, either with or without a hearing, rescind, modify, or affirm its order or decision.
The filing of an application for reconsideration shall act as a stay upon the execution of the order or decision of the Commission until the final action of the Commission upon the application.
Any application for reconsideration or modification filed on the thirtieth (30th) day after the publication of the order or decision which the application seeks to have reconsidered or modified, shall be filed on or before the close of business of that day.
D.C. Mun. Regs. tit. 15, r. 15-140