USMCA country
(10) USMCA country Except as otherwise provided, the term “USMCA country” means— (A) Canada for such time as the USMCA is in force with respect to, and the United States applies the USMCA to, Canada; and (B) Mexico for such time as the USMCA is in force with respect to, and the United States applies the USMCA to, Mexico.
Source
19 USC § 4502(10)
Scoping language
None identified, default scope is assumed to be the parent (chapter 29) of this section.