16 U.S. Code § 1825 - Import prohibitions
(a) Determinations by Secretary of StateIf the Secretary of State determines that—
he has been unable, within a reasonable period of time, to conclude with any foreign nation an international fishery agreement allowing fishing vessels of the United States equitable access to fisheries over which that nation asserts exclusive fishery management authority, including fisheries for tuna species, as recognized by the United States, in accordance with fishing activities of such vessels, if any, and under terms not more restrictive than those established under sections 1821(c) and (d) and 1824(b)(7) and (10) of this title, because such nation has (A) refused to commence negotiations, or (B) failed to negotiate in good faith;
(4) any fishing vessel of the United States, while fishing in waters beyond any foreign nation’s territorial sea, to the extent that such sea is recognized by the United States, is seized by any foreign nation—
in violation of an applicable international fishery agreement;
without authorization under an agreement between the United States and such nation; or
as a consequence of a claim of jurisdiction which is not recognized by the United States;
he shall certify such determination to the Secretary of the Treasury.
(b) ProhibitionsUpon receipt of any certification from the Secretary of State under subsection (a), the Secretary of the Treasury shall immediately take such action as may be necessary and appropriate to prohibit the importation into the United States—
(c) Removal of prohibition
(d) DefinitionsAs used in this section—
Subsec. (a)(2). Pub. L. 101–627, § 105(b)(1)(B), substituted “tuna” for “highly migratory”.