United States Code Title 33 — Navigation and Navigable Waters § 231. Repealed. Pub. L. 96–591, § 8(a), Dec. 24, 1980, 94 Stat. 3435 § 231. Repealed. Pub. L. 96–591, § 8(a), Dec. 24, 1980, 94 Stat. 3435