Section 1227, Pub. L. 92–340, § 8, formerly title I, § 107, July 10, 1972, 86 Stat. 427; renumbered and amended Pub. L. 95–474, § 2, Oct. 17, 1978, 92 Stat. 1476, related to investigatory powers of the Secretary. See section 70035 of Title 46, Shipping.

Section 1228, Pub. L. 92–340, § 9, as added Pub. L. 95–474, § 2, Oct. 17, 1978, 92 Stat. 1476; amended Pub. L. 101–380, title IV, § 4106(c), Aug. 18, 1990, 104 Stat. 514, related to conditions for entry to ports in the United States. See section 70021 of Title 46.

Section 1229, Pub. L. 92–340, § 10, as added Pub. L. 95–474, § 2, Oct. 17, 1978, 92 Stat. 1477; amended Pub. L. 98–557, § 29(h), Oct. 30, 1984, 98 Stat. 2875, related to delegations of authority with respect to the Saint Lawrence Seaway. See section 70032 of Title 46.

Section 1230, Pub. L. 92–340, § 11, as added Pub. L. 95–474, § 2, Oct. 17, 1978, 92 Stat. 1477; amended Pub. L. 105–383, title III, § 313, Nov. 13, 1998, 112 Stat. 3424, related to international agreements. See section 70005 of Title 46.

Section 1231, Pub. L. 92–340, § 12, as added Pub. L. 95–474, § 2, Oct. 17, 1978, 92 Stat. 1477, related to regulations necessary to implement this chapter. See section 70034 of Title 46.