When any commodity is sold by weight it shall be net weight. When any commodity is sold by the ton, it shall be understood to mean 2,000 pounds avoirdupois.
D.C. Code § 37-201.08
Commodities sold by weight; “ton” defined
Mar. 3, 1921, 41 Stat. 1219, ch. 118, § 8; Mar. 31, 1945, 59 Stat. 45, ch. 46, § 1
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.