D.C. Mun. Regs. tit. 19, § 1572
1572.1 Before undertaking any wildlife control measures, a wildlife control services provider shall provide to the client, in writing, the following:
(a) An assessment of the wildlife problem, including possible causes;
(b) The methods and practices that may be used to resolve the wildlife problem, clearly specifying possible lethal and nonlethal means;
(c) The agreed-upon disposition of the animal;
(d) The estimated charge; and
(e) Where applicable, the methods and practices which the client may employ to limit future problems of a similar nature.
SOURCE: Final Rulemaking published at 63 DCR 6084 (April 22, 2016).