On March 3, 2026, a reform to Article 123, Section A of the Political Constitution of the UnitedMexican States regarding the reduction of working hours was published in theOfficial Gazette of the Federation, which will come into effect the dayfollowing its publication (the "Decree").

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The Decreeestablishes that the workweek shall be 40 hours and that the reduction will beimplemented gradually according to the following schedule:

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Pursuant to the provisions of the Decree, the distribution of working hours will continue under the scheme of one rest day for every six working days.

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Additionally, the Decree guarantees that under no circumstances shall the reduction of working hours result in a decrease in wages, salaries, or benefits for workers.

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Regarding overtime, a cap of 12 hours per week is established, which may be distributed in up to four hours per day, for a maximum of four days per week.

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The first 12 hours of weekly overtime shall be paid at a rate equivalent to an additional 100% over the regular wage. If the 12-hour weekly overtime limit is exceeded, the employer must pay 200% more than the regular wage.

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The Decree also establishes that people under 18 years of age may not work overtime.

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Concurrently, the reform to the Federal Labor Law submitted on December 3, 2025 must complete the corresponding legislative process, considering that the Decree establishes a 90-day deadline for the Congress of the Union for such purposes.

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Among the changes contemplated in the reform to the Federal Labor Law is the four-hour cap on overtime exceeding the established limit of twelve hours per week.

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Companies should begin analyzing the impact of this reform on their operations, considering the gradual transition and preparing to adjust schedules, shifts, and internal overtime policies.

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For any questions or comments, you can contact our expert team.