The TIP is used to identify individuals authorized by an employer to carry out certain procedures before IMSS, including submitting documents, filing employee enrollment changes, addressing collection matters, and completing procedures resulting from audits, among other matters requiring proof of authorization or representation.
Under the announced digital system, employers will use their valid SAT electronic signature (e.firma) to register or update up to three authorized individuals for each Employer Registration Number. The process will be completed through the IMSS Mailbox.
IMSS personnel will be able to verify authorized individuals in real time at local offices. Therefore, presenting the physical TIP will no longer be necessary.
The Digital TIP will include the employer’s general information, address, application date, authorized individuals, a QR code, filing number, electronic signature information, certificate serial number, original data string, digital seal, and other security elements.
Recommendatios:
Employers should take the following preventive steps before September 10, 2026:
1. Confirm that their IMSS Mailbox is active.
2. Verify that the employer’s SAT electronic signature is valid.
3. Confirm that at least one email address and one mobile telephone number associated with the employer’s Federal Taxpayer Registry number (“RFC by its acronym in Spanish”) have been registered and validated.
4. Review the individuals currently authorized under each Employer Registration Number.
5. Identify any individuals who must be registered, replaced, or removed.
6. Keep the electronic acknowledgment and Digital TIP generated for each Employer Registration Number.
7. Monitor the IMSS website and Mexico’s Federal Official Gazette (“DOF by its acronym in Spanish”) for the formal regulations governing the new system.
Important legal note
Although this information was announced through an official IMSS press bulletin, it is advisable to await the corresponding resolution of the IMSS Technical Council and its subsequent publication in DOF.
Authors:
Juan Ramón Lara Velázquez
Octavio Vladimir González García
Julio López Gómez