Words importing the singular number shall be held to include the plural, and vice versa, except where such construction would be unreasonable.
D.C. Code § 45-602
Words importing singular number to include plural
Mar. 3, 1901, 31 Stat. 1189, ch. 854
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.