This document amends the U.S. Customs and Border Protection (CBP) regulations to reflect an extension of import restrictions on certain categories of archaeological and ecclesiastical ethnological materials from Guatemala to fulfill the terms of the new agreement, titled "Memorandum of Understanding between the Government of the United States of America and the Government of the Republic of Guatemala Concerning the Imposition of Import Restrictions on Categories Of Archaeological and Ethnological Material of Guatemala." CBP Dec. 12-17, which contains the Designated List of archaeological and ecclesiastical ethnological material from Guatemala to which the restrictions apply, is being extended for an additional five years by this final rule.