Overview

• Pilot modules in Mexico City, Veracruz and the State of Mexico began mid-July under a decree that gave agencies 90 days to integrate biometric systems
• Traditional 18-character CURP remains valid for school enrollment, social services and health programs, with SEP confirming no changes to enrollment requirements
• Biometric CURP adds fingerprints, iris scans, photographs and electronic signatures to strengthen digital identity and aid missing-persons investigations
• Nationwide voluntary registration opens October 16 through 145 RENAPO modules, civil registries, SEGOB offices and the Llave MX platform
• Agencies must complete system upgrades by mid-October ahead of a February 2026 mandate or face fines of 10,000–20,000 UMAs for noncompliance