D.C. Mun. Regs. tit. 25-B, § 2009
2009.1 The presence of insects, rodents, and other pests shall be controlled to minimize their presence on the premises by:
(a) Routinely inspecting incoming shipments of food and supplies;N
(b) Routinely inspecting the premises for evidence of pests;N
(c) Using methods, if pests are found, such as trapping devices or other means of pest control as specified in sections 2202, 2211 and 2212; and
(d) Eliminating harborage conditions.ᴺ
2009.2 The licensee shall maintain a copy of the establishment's professional service contract and service schedule, which documents the following information:
(a) Name and address of its licensed pest exterminator / contractor;
(b) Frequency of pest extermination services provided under the contract; and
(c) Date pest extermination services were last provided to the establishment.
SOURCE: Final Rulemaking published at 56 DCR 5245 (July 3, 2009).