2020—Subsec. (a)(5)(D). Pub. L. 116–260 substituted “the USMCA countries (as defined in section 4502 of this title)” for “the NAFTA countries (as defined in section 2(4) of the North American Free Trade Agreement Implementation Act)”.

Pub. L. 116–260, div. O, title VI, § 602(g), Dec. 27, 2020, 134 Stat. 2154, provided that: “This section [amending this section, sections 2702 to 2703a, 3721, 3722, and 4362 of this title, section 11 of Title 35, Patents, and section 2296b of Title 42, The Public Health and Welfare] and the amendments made by this section shall take effect on July 1, 2020.”

Section effective on the date of entry into force of the WTO Agreement with respect to the United States (Jan. 1, 1995), except as otherwise provided, see section 451 of Pub. L. 103–465, set out as a note under section 3601 of this title.