16 U.S. Code § 4223. Prohibited acts

Except as provided in section 4222(e) of this title, it is unlawful for any person—
(1)
to importraw ivory from any country other than an ivory producing country;
(2)
to export raw ivory from the United States;
(3)
to import raw or worked ivory that was exported from an ivory producing country in violation of that country’s laws or of the CITES Ivory Control System;
(4)
to importworked ivory, other than personal effects, from any country unless that country has certified that such ivory was derived from legal sources; or
(5)
to import raw or worked ivory from a country for which a moratorium is in effect under section 4222 of this title.