1980—Subsec. (a). Pub. L. 96–591 substituted provision providing that the International Regulations do not apply to vessels while in the waters of the United States shoreward of the navigational demarcation lines dividing the high seas from harbors, rivers, and other inland waters of the United States for provisions that had made specific reference to harbors, rivers, and other inland waters of the United States, as defined in section 154 of this title, to the Great Lakes of North America and their connecting and tributary waters, as defined in section 241 of this title, and to the Red River of the North and rivers emptying into the Gulf of Mexico and their tributaries, as defined in section 301 of this title.

Pub. L. 96–591, § 7, Dec. 24, 1980, 94 Stat. 3435, provided that: “Sections 2, 4, 6(1), and 8(a) [enacting section 2072 and former sections 2001 to 2038 of this title, amending this section, and repealing sections 154 to 159, 171 to 183, 191, 192, 201 to 213, 221, 222, 231, 232, 301 to 303, 311 to 323, 331, 341 to 356, 360, and 360a of this title and sections 526b, 526c, and 526d of former Title 46, Shipping] are effective 12 months after the date of enactment of this Act [Dec. 24, 1980], except that on the Great Lakes, the effective date of sections 2 and 4 [enacting section 2072 and former sections 2001 to 2038 of this title] will be established by the Secretary. [The effective date on the Great Lakes was established as Mar. 1, 1983. See 47 F.R. 15135, Apr. 8, 1982.] Section 5 [enacting section 2073 of this title] is effective on October 1, 1981.”