Article 899-C Federal Labor Law
TITLE FOURTEEN. Labor Procedural Law · CHAPTER XVIII. On the Special Procedure · Section One. Individual Social Security Conflicts
Current text · last reform published in the Official Gazette of the Federation (DOF) on 14 May 2026
The complaints relating to the conflicts referred to in this section must contain:
I.Name, address and date of birth of the petitioner and the documents accrediting his legal standing;
II.Exposition of the facts and causes that give rise to his claim;
III.The claims of the petitioner, clearly expressing what is requested;
IV.Name and address of the companies or establishments in which he has worked; positions held; activities carried out; seniority generated and contributions to the social security regime;
V.Social security number or identification reference as insured person, pensioner or beneficiary, assigned clinic or family medicine unit;
VI.If applicable, the last statement of the individual retirement savings account, certificate issued by the Mexican Social Security Institute of granting or denial of pension, or certificate of granting or denial of housing credit;
VII.The documents issued by the employers, the Mexican Social Security Institute, the National Workers' Housing Fund Institute and the corresponding Retirement Fund Administrator or, if applicable, the acknowledgment of receipt of the request for them and, in general, the information necessary to guarantee the processing of the proceeding in adherence to the principle of immediacy;
VIII.The other evidence he deems convenient to accredit his claims; and
IX.The necessary copies of the complaint and its annexes, to serve the counterparty.