D.C. Mun. Regs. tit. 19, § 1507
1507.1 A conservation officer may conduct a search and inspection in the following instances:
(a) The officer reasonably believes that a person either is or recently has been fishing;
(b) The officer has probable cause to believe that the person has violated a provision of this chapter except as is provided in § 1507.2; and
(c) When it is either not possible or not practical to obtain a warrant.
1507.2 In the absence of probable cause, an officer may conduct a search or inspection only to prevent the removal, alteration, or destruction of potential evidence of a violation of this chapter.
1507.3 Before beginning a search or inspection of a person, the officer shall state his or her purpose and inform the person that this chapter authorizes the search or inspection and requires the person to cooperate with the officer.
SOURCE: Final Rulemaking published at 34 DCR 2028 (March 27, 1987).