LFT · Article 504

Article 504 Federal Labor Law

TITLE NINE. Occupational Hazards

Current text · last reform published in the Official Gazette of the Federation (DOF) on 14 May 2026

Employers have the following special obligations:

I.To keep in the workplace the medicines and healing material necessary for first aid and to train personnel to provide it;

II.When they have more than one hundred employees in their service, to establish a nursing station, equipped with the medicines and healing material necessary for emergency medical and surgical care. It shall be attended by competent personnel, under the direction of a surgeon physician. If in the judgment of the latter the due medical and surgical care cannot be provided, the employee shall be transferred to the town or hospital where his cure can be attended;

III.When they have more than three hundred employees in their service, to install a hospital, with the necessary medical and auxiliary personnel;

IV.Prior agreement with the employees, employers may enter into contracts with sanatoriums or hospitals located in the place where the establishment is found or at a distance that permits the rapid and comfortable transfer of the employees, so that they provide the services referred to in the two previous sections;

V.To give written notice or by electronic means to the Ministry of Labor and Social Welfare, to the Labor Inspector and to the court, within the following 72 hours, of the accidents that occur, providing the following data and elements:

a)Name and domicile of the company;

b)Name and domicile of the employee; as well as his position or category and the amount of his wage;

c)Place and time of the accident, with a succinct expression of the facts;

d)Name and domicile of the persons who witnessed the accident; and,

e)Place where medical care is rendered or has been rendered to the injured person.

The Ministry of Labor and Social Welfare and the Mexican Social Security Institute (IMSS) must exchange information permanently regarding the notices of occupational accidents submitted by employers, as well as other statistical data that result necessary for the exercise of their respective legal faculties; and

VI.As soon as they have knowledge of the death of an employee due to occupational hazards, to give written notice to the authorities mentioned in the previous section, providing, in addition to the data and elements indicated in said section, the name and domicile of the persons who could be entitled to the corresponding compensation (indemnity).

VII.(Repealed).

How to cite

Federal Labor Law, Article 504. https://articuladomx.com/en/federal-labor-law/article-504/

Cite the Spanish official text. Use this English page as a reading aid.

Corpus 2026.10.08