good under section 202 of the United States-Mexico-Canada Agreement Implementation Act of a USMCA country with respect to which preferential tariff treatment is provided under the USMCA. (2) Definitions In this subsection, the terms preferential tariff treatment , USMCA , and USMCA country have the meanings given those terms in section 3 of the United States-Mexico-Canada Agreement Implementation Act . . (b) Effective date (1) In general The amendment made by subsection (a) shall— (A) take effect on the date on which the USMCA enters into force