19 U.S.C. § 4581: References in part

Any reference in this part to an Annex, chapter, or article shall be considered to be a reference to the respective Annex, chapter, or article of the USMCA. to any final determination described in paragraph (1)(B) or clause (i), (ii), or (iii) of paragraph (2)(B) of section 516A(a) of the Tariff Act of 1930 ( 19 U.S.C. 1516a(a) ) notice of which is published in the Federal Register before such date, or to a determination described in paragraph (2)(B)(vi) of that section notice of which is received by the Government of Canada or Mexico before such date; and to any binational panel review under NAFTA, or any extraordinary challenge arising out of any such review, that was commenced before such date. to any final determination described in paragraph (1)(B) or clause (i), (ii), or (iii) of paragraph (2)(B) of section 516A(a) of the Tariff Act of 1930 ( 19 U.S.C. 1516a(a) ) notice of which is published in the Federal Register before such date, or to a determination described in paragraph (2)(B)(vi) of that section notice of which is received by the Government of Canada or Mexico before the date on which the USMCA enters into force; and to any binational panel review under NAFTA, or any extraordinary challenge arising out of any such review, that was commenced before the date on which the USMCA enters into force.”