The Mayor of the District of Columbia, subject to appropriations therefor, is hereby authorized and empowered to require that all public and other lamps under his control be lighted during such hours as in his judgment will most effectively promote the safety and convenience of the public.
D.C. Code § 9-507
Mayor to regulate hours of lighting of street lamps
Mar. 6, 1939, 53 Stat. 511, ch. 7
Official source: D.C. Law Library (Council of the District of Columbia). Reproduced from public-domain District of Columbia statutes; confirm against the official source for the current text. Not legal advice.