Parties may obtain discovery by the following methods:
Discovery may be obtained without permission of the Office of Adjudication except as otherwise provided in §§ 1511 through 1516.
All discovery shall be completed at least five (5) days prior to the hearing.
The Office of Adjudication may set a schedule or otherwise regulate discovery either at the request of the parties or on its own motion. The Office of Adjudication, in regulating discovery, shall not allow excessive, unnecessary, harassing, and unduly expensive discovery and attempts to delay or impede the hearing.
D.C. Mun. Regs. tit. 16, r. 16-1511