D.C. Mun. Regs. tit. 21, r. 21-716
The Director is authorized to inspect any solid waste storage, containers, collection systems, collection vehicles, collection vehicle storage and cleansing facilities, disposal and reduction facilities, and disposal sites, as may be necessary to determine that the intent and purposes of this chapter are being met.
Each premises or part of a premises served by a licensed collector shall maintain evidence including the name and address of the licensee providing the services.
Evidence of collection service shall be available during all reasonable hours for inspection by the Director.
Identification of all containers serviced by a licensee by inscribing the name and telephone number of the licensee on each container shall be deemed adequate for compliance with this section.
The Director or a designee shall be provided access to premises within the District of Columbia in accordance with the provisions of section 4(b) of the Litter Control Administration Act of 1985, effective March 25, 1986 (D.C. Law 6-100; D.C. Code § 8-803(b)), and Mayor's Order 1986-160.
D.C. Mun. Regs. tit. 21, r. 21-716