On December 12, 2019, the Mexican Senate adopted the revised treaty by 107 votes to 1.  On April 3, 2020, Mexico announced its readiness to implement the agreement and joined Canada, although it requested that its auto industry have additional time to comply with the agreement.  USMCA countries must comply with IMF standards to avoid exchange rate manipulation. The agreement requires disclosure of market interventions. The IMF may be summoned as an arbitrator if the parties argue.  The USMCA introduces the labour provisions as a separate working chapter in the main agreement and will therefore be applicable through the Interstate Dispute Settlement Process in Chapter 31. On June 1, 2020, USTR Robert Lighthizer`s office released the uniform rules, which are the final hurdle before the agreement is implemented on July 1, 2020. You`ll find the text of the agreement here: ustr.gov/trade-agreements/free-trade-agreements/united-states-mexico-canada-agreement/uniform-regulations The Trump administration office proposed the USMCA citing new digital trade measures, strengthening the protection of trade secrets and adapting the rules of origin of the automobile among the benefits of the trade agreement.  Canada ratified the agreement in March and the USMCA came into force on July 1, 2020. Although NAFTA is officially dead, governments and businesses are still adapting to the new rules, especially the new labour rules. Coronavirus can also complicate implementation as manufacturers adapt to new guidelines in the midst of a global economic crisis. On December 9, 2019, Fox News reported that negotiators from the three countries reached an agreement on implementation, paving the way for a final agreement within 24 hours and ratification by all three parties before the end of the year.
Mexico has agreed to impose a minimum wage of $16 per hour for Mexican auto workers by a “neutral” third party. Mexico, which imports all of its aluminum, also objected to the provisions relating to the U.S. steel and aluminum content of automotive components.  An April 2019 Analysis by the International Trade Commission on the likely effects of the USMCA estimated that if the agreement were fully implemented (six years after ratification), the agreement would increase real GDP in the United States by 0.35 per cent and the United States.