Implementation of the e.signature as the sole valid certificate before the Mexican Social Security Institute (IMSS)
On July 16, 2026, the Technical Council of the Mexican Social Security Institute (IMSS) published in the Official Gazette of the Federation (DOF) the agreement ACDO.AS2.HCT.290626/176.P.DIR regarding the implementation of the Advanced Electronic Signature (referred as “e.signature”, of the spanish “e.firma”) as the only valid digital certificate for carrying out affiliation movements and the linking of legal representatives exclusively through the Virtual Desk.
