On July 1, 2020, US Customs and Border Protection (CBP) published in the Federal Register an interim final rule [USCBP-2020-0036; CBP Dec. 20-11], which amends the CBP regulations to implement the rules of origin provisions for preferential tariff treatment of the Agreement Between the United States of America, the United Mexican States, and Canada (USMCA). The document sets forth the framework for CBP regulations that provides further guidance regarding the rules of origin for those…