Article 406 Federal Labor Law
TITLE SEVEN. Collective Employment Relationships · CHAPTER IV. Contract-Law
Current text · last reform published in the Official Gazette of the Federation (DOF) on 14 May 2026
The labor unions that represent at least two thirds of the unionized employees of a branch of industry in one or several States, in one or more economic zones, that cover one or more of said States or in the entire national territory may request the execution of a contract-law.