The INE said on 2026-09-01 that approximately 5.4 million voter credentials will expire during 2026, and holders of credentials ending in '26' must renew them because they become invalid on 2027-01-01. ^[1] The Instituto Nacional Electoral (INE) began its Annual Intense Credentialization Campaign 2026-2027 on 2026-09-01, aiming to update Mexico's electoral roll ahead of the June 6, 2027 elections. ^[2] The Instituto Nacional Electoral (INE) in Jalisco has launched an annual voter registration campaign that will remain active until January 25, 2027. ^[3] The deadline for address changes, corrections, and first-time registrations is 2027-01-25. ^[4] The National Electoral Institute (INE) in Mexico approved a methodology and catalog to monitor news coverage during the upcoming 2026-2027 federal election, including a variable for indirect defamation mechanisms. ^[5] The Supreme Electoral Court (TEPJF) modified the contested agreement and annulled the variable regarding the monitoring of indirect disqualification mechanisms for pre-candidates and candidates. ^[6] The INE allows young people who turn 18 on or before June 6, 2027 to apply for their voter ID in advance, with applications available starting 2026-09-01. ^[7] The main voter credential procedures run from 2026-09-01 to 2027-01-25, covering first-time registration, renewal for expired credentials, address changes, data corrections, and replacement for theft, loss, or damage. ^[8] Rosa Margarita Lara, a vocal of the Federal Electoral Registry in Jalisco, stated that citizens can perform various tasks including first-time inscriptions, data corrections, and credential replacements during this period. ^[9] Starting January 26, 2027, the INE will no longer accept new inscriptions or data updates, only allowing credential replacements until February 8, 2027. ^[10] The INE implemented a special measure allowing 17-year-olds to register for the first time if they will turn 18 on or before June 6, 2027. ^[11] The 2027-06-06 federal election will renew all 500 seats of Mexico's Chamber of Deputies, along with 17 governorships, local congresses in 31 states, 16 mayoralties in Mexico City, and municipal councils in 30 states. ^[12]