D.C. Mun. Regs. tit. 25, r. 25-B2901
If necessary to protect against public health hazards or nuisances, the Department may impose specific requirements in addition to the requirements contained in this Code that are authorized pursuant to An Act To authorize the Commissioners of the District of Columbia to make regulations to prevent and control the spread of communicable and preventable diseases, approved August 11, 1939 (53 Stat. 1408; D.C. Official Code § 7-131 et seq.).
The Department shall document the conditions that necessitate the imposition of additional requirements and the underlying public health rationale. The documentation shall be provided to the applicant, licensee or dealer and a copy shall be maintained in the Department's files.
D.C. Mun. Regs. tit. 25, r. 25-B2901