D.C. Mun. Regs. tit. 11-C, § 906
9060.1 All loading berths and service/delivery spaces including access aisles, driveways, and maneuvering areas shall be surfaced and maintained with an all-weather surface.
9060.2 A loading berth or service/delivery space, including access aisles, driveways, and maneuvering areas, shall be maintained and used as a loading berth or service/delivery space for as long as the use exists that the loading berth or service/delivery space is designed to service.
SOURCE: Final Rulemaking published at 63 DCR 2447, 2712 (March 4, 2016 – Part 2).