Section 55501 of title 46, United States Code, referred to in subsec. (c), was redesignated section 50401 of title 46 by Pub. L. 117–81, div. C, title XXXV, § 3512(a)(3),
2018—Pub. L. 115–282 renumbered section 90 of this title as this section.
Subsec. (f). Pub. L. 115–232 struck out question mark after “the term ‘Arctic’ ”.