§ 4223. Prohibited acts
(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 import worked 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.