No provision of the USMCA, nor the application of any such provision to any person or circumstance, which is inconsistent with any law of the United States, shall have effect.
19 U.S. Code § 4512 - Relationship of the USMCA to United States and State law
This Act, referred to in subsec. (a)(2), is Pub. L. 116–113, Jan. 29, 2020, 134 Stat. 11, known as the United States-Mexico-Canada Agreement Implementation Act. For complete classification of this Act to the Code, see Short Title note set out under section 4501 of this title and Tables.