19 CFR 12.104i : Customs Duties (§ 0.1 To Parts 400-599) — (§ 0.1 To Parts 135-140) — U.S. Customs And Border Protection, Department Of Homeland Security; Department Of The Treasury (§ 0.1 To Parts 135-140) — Special Classes Of Merchandise (§ 12.1 To § 12.152) — Cultural Property (§ 12.104 To § 12.104J) — Enforcement.

In the customs territory of the United States, and in the U.S. Virgin Islands, the provisions of these regulations shall be enforced by appropriate customs officers. In any other territory or area within the U.S., but not within such customs territory or the U.S. Virgin Islands, such provisions shall be enforced by such persons as may be designated by the President.