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.
(Mar. 3, 1921, 41 Stat. 1219, ch. 118, § 8; Mar. 31, 1945, 59 Stat. 45, ch. 46, § 1.)
Prior Codifications1981 Ed., § 10-109.
1973 Ed., § 10-108.