A tax is imposed at the rate of 4.5 cents per ton, not to exceed a total of 22.5 cents per ton per year, for fiscal years 2006 through 2010, and 2 cents per ton, not to exceed a total of 10 cents per ton per year, for each fiscal year thereafter, at each entry in a port of the United States of—

(1) a vessel entering from a foreign port or place in North America, Central America, the West Indies Islands, the Bahama Islands, the Bermuda Islands, or the coast of South America bordering the Caribbean Sea; or

a vessel returning to the same port or place in the United States from which it departed, and not entering the United States from another port or place, except—

(A) a vessel of the United States;

(B) a recreational vessel (as defined in section 2101 of this title); or

(C) a barge.

A tax is imposed at the rate of 13.5 cents per ton, not to exceed a total of 67.5 cents per ton per year, for fiscal years 2006 through 2010, and 6 cents per ton, not to exceed a total of 30 cents per ton per year, for each fiscal year thereafter, on a vessel at each entry in a port of the United States from a foreign port or place not named in subsection (a)(1).

Subsection (a) does not apply to a vessel entering other than by sea from a foreign port or place at which tonnage, lighthouse, or other equivalent taxes are not imposed on vessels of the United States.

(Pub. L. 109–304, § 9(b), Oct. 6, 2006, 120 Stat. 1677; Pub. L. 109–171, title IV, § 4001, Feb. 8, 2006, 120 Stat. 27; Pub. L. 110–181, div. C, title XXXV, § 3524, Jan. 28, 2008, 122 Stat. 600.)