D.C. Mun. Regs. tit. 24, § 2200
2200.1 Whenever the Mayor determines that a civil disorder or other public disaster, or the imminent danger of a disorder or disaster, exists within the District, and that the disorder, disaster, or threat substantially endangers, threatens, or interferes with the health, safety, or well-being of persons; the secure possession and use of property; the free exercise of rights; or the orderly functioning of government agencies located within the District, the Mayor may publicly proclaim the existence of a state of emergency.
2200.2 The proclamation of a state of emergency shall note the nature of the emergency, and shall briefly state the facts upon which the Mayor has based his or her determination.
AUTHORITY: Unless otherwise noted, the authority for this chapter is An Act approved January 26, 1887, 24 Stat. 368, ch. 49, §1, D.C. Code §1-315 (1992 Repl. Vol.).
SOURCE: Commissioners' Order No. 68-432, effective June 19, 1968, Article 48, §1 of the Police Regulations (May 1981).