United States Code Title 19 — Customs Duties §§ 31, 32. Repealed. Pub. L. 92–310, title II, § 226, June 6, 1972, 86 Stat. 206 §§ 31, 32. Repealed. Pub. L. 92–310, title II, § 226, June 6, 1972, 86 Stat. 206