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First USMCA Labor Complaint Promises New Challenges for U.S., Mexican Manufacturers

Unions in the United States and Mexico have taken a significant step under the United States-Mexico-Canada Agreement (USMCA) to interject the United States into labor disputes in Mexico by filing the first complaint under the USMCA’s rapid response mechanism against an auto parts supplier in Mexico.

This action, and significant support for greater union organization from the Biden Administration, will require manufacturers to adjust to the new reality of labor relations in Mexico.


Under the USMCA, Mexico committed to implement labor reforms that would radically change Mexico’s labor laws and adopt a system similar to the National Labor Relations Act. Mexico subsequently overhauled its federal labor law in May 2019 and continues to implement the new laws.

A unique term in the USMCA is the right for any individual, union, or organization to file a complaint with the United States against an individual facility in Mexico for violating workers’ rights to organize or collectively bargain. Once a complaint is filed, the United States is compelled to investigate the alleged violations. If it finds evidence of a violation, it can prosecute the violation through a “rapid response mechanism,” which includes a unique labor arbitration between the parties. Any individual company in Mexico that is found to violate the new labor obligations could lose its preferential tariff rates available through the USMCA, significantly harming the company’s ability to import good into the United States — and the supply chain that U.S. companies require. (For details, see our article, Pressures on U.S. Manufacturers with Mexico Operations, Supply Chains to Comply with New Labor Laws.)

Based on prior commitments from President Joe Biden to be “the strongest labor president supporters have ever had,” U.S. unions have promised to file complaints under the rapid response mechanism since January 2021.

First Rapid Response Complaint

The AFL-CIO, the SEIU, the independent Mexican union Sindatico Nacional Independiente de Trabajadores de Industrias y de Servicios Movimiento 20/32 (SNITIS), and other advocacy groups collectively filed the first complaint in the United States to invoke the rapid response mechanism. The complaint was filed against Tridonex, a subsidiary of the U.S. company Cardone that manufactures auto parts in Matamoros. The complaint alleges the company interfered in free union elections and wrongfully terminated numerous employees for their union support, among other charges. The AFL-CIO released a statement promising to work with Mexican unions and the Biden Administration to fully implement Mexico’s new labor obligations under the USMCA.

The complaint must be investigated by the U.S. Interagency Labor Committee, which is led by the Secretary of Labor and the U.S. Trade Representative. If the Interagency Labor Committee finds evidence of a violation, the U.S. Trade Representative will file a petition for a rapid response panel, and the company could lose access to preferential tariffs.

What Employers Can Do

U.S. manufacturers that depend on trade or supply chains with Mexico face unique new challenges. Mexican companies must prepare for investigations into new and unfamiliar labor obligations led by U.S. investigators who have different expectations for labor relations than most Mexican companies. Additionally, U.S. companies dependent on Mexican manufacturing must take steps to ensure their suppliers comply with the USMCA’s labor provisions to avoid sudden and costly disruptions to their own operation.

Jackson Lewis P.C. © 2022National Law Review, Volume XI, Number 133

About this Author

James M Stone Labor & Employment Attorney Jackson Lewis Cleveland, OH

James M. Stone is a principal of the Cleveland, Ohio, office of Jackson Lewis P.C. From the opening of the office in 2006 until early 2020, Jim served as office managing principal in Cleveland, when he stepped down to focus on his busy practice and increased task force activities within practice groups and industry teams.

With more than 25 years of experience in labor and employment law, he has conducted more than 120 negotiations with unions, represented companies in hundreds of employment discrimination, wrongful discharge, and other claims in court and...

James Verdi employment litigation lawyer Jackson Lewis

James Verdi is an Associate in the Cleveland, Ohio office of Jackson Lewis P.C. James focuses his practice on representing employers in employment litigation and labor relations matters including collective bargaining, unfair labor practice charges, unlawful discrimination, accommodation, and leave issues.

Prior to joining Jackson Lewis, Mr. Verdi worked for the United States Postal Service, the nation’s second largest employer, where he first-chaired more than 20 administrative employment hearings and national arbitrations. He provided advice on various...