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 .