Municipal ordinances and regulations in force in the District of Columbia may be proved by producing in evidence a copy thereof certified as provided by the Commissioner [Mayor]; and the certified copy is prima facie evidence of the due adoption and promulgation of the ordinances and regulations.
D.C. Code § 14-505
Municipal ordinances and regulations
Dec. 23, 1963, 77 Stat. 521, Pub
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.