They must re-register using another finger. The employer must update the biometric record via the SIAI portal.

Detailed technical procedures for setting up biometric readers and user registration are documented in the IMSS Procedure 1A40-003-016

El proceso está optimizado para realizarse de forma autónoma a través de dispositivos móviles utilizando la aplicación oficial . Sigue estas instrucciones para completar tu alta de forma correcta:

The Mexican Institute of Social Security (IMSS) has modernized its employer and worker verification systems through the platform. This digital tool is part of the Sistema Integral de Auditoría e Inspección (SIAI), designed to prevent identity fraud, ghost employees, and incorrect contribution calculations.

The system is a cornerstone of Mexico’s fight against social security fraud. Whether you are an employer aiming to avoid fines or a worker protecting your contribution record, mastering this platform is essential.

Drastically reduces wait times at physical offices for high-traffic tasks.

The registration process is a two-step dance. You cannot complete it 100% online; the fingerprint capture requires a physical visit to an IMSS Subdelegation.

The term breaks down into three core components:

To help look into any specific issues you might be having with the platform, tell me:

The section is the most critical update. It requires workers to provide three specific biological identifiers:

: Biometric signatures carry the same legal weight as a handwritten signature for many digital procedures.