The Commissioner and the Director of U.S. Immigration and Customs Enforcement shall ensure that appropriate personnel of U.S. Customs and Border Protection and U.S. Immigration and Customs Enforcement, as the case may be, are trained in the detection, identification, detention, seizure, and forfeiture of cultural property, archaeological or ethnological materials, and fish, wildlife, and plants, the importation, exportation, or trafficking of which violates the laws of the United States.