Article 273 Federal Labor Law
TITLE SIX. Special Jobs · CHAPTER VII. Public service handling work in areas under federal jurisdiction
Current text · last reform published in the Official Gazette of the Federation (DOF) on 14 May 2026
In the determination of the seniority of the employees, and of the order in which their services must be used, the following rules shall be observed:
I.Seniority shall be computed from the date on which the employee began to render their services to the employer;
II.In collective employment contracts the seniority of each employee may be established. The employee who is not in agreement may request the court to rectify their seniority. If no collective employment contracts exist or the determination is lacking in them, seniority shall be fixed in accordance with the provisions of article 158, and
III.The distribution of work shall be made in accordance with the seniority corresponding to each employee. In collective employment contracts the modalities deemed convenient for the distribution of work shall be determined.