TL;DR — Quick Summary

Fix IDSE errors when sending affiliate movements to Mexico's IMSS: rejected registrations, expired NPIE digital certificate, NSS/CURP validation failures, and connection issues with the IMSS portal.

IDSE Affiliate Movement Errors

IDSE is Mexico’s IMSS portal for electronic submission of worker affiliate movements.

Common Errors

1. Invalid NSS/CURP

Solution: Verify NSS and validate CURP at gob.mx/curp.

2. Expired NPIE Certificate

Solution: Check certificate validity (2 years). Reinstall in browser certificate store.

3. Late Submission

Solution: Registrations must be within 5 business days. Late submissions require in-person processing.