In the customs territory of the United States, and in the Virgin Islands, the provisions of this chapter shall be enforced by appropriate customs officers. In any other territory or area within the United States, but not within such customs territory or the Virgin Islands, such provisions shall be enforced by such persons as may be designated by the President.
19 U.S. Code § 2613. Enforcement
Section effective on the 90th day after Jan. 12, 1983, or on any date which the President shall prescribe and publish in the Federal Register, with exceptions, see section 315 of Pub. L. 97–446, set out as a note under section 2601 of this title.