The Comisión Reguladora de Telecomunicaciones (CRT) announced that mobile phone lines ending in 1 that were suspended for failing to comply with mandatory registration can have their service restored once users complete the registration process. ^[1] The Mexican Commission for Regulatory Telecommunications (CRT) announced that telephone lines ending in 1 that were not linked before August 31 will be suspended starting September 1. ^[2] The Commission for Regulatory Telecommunications (CRT) in Mexico initiated the gradual suspension of mobile phone lines ending in 1 that did not complete the mandatory registration process with the CURP before August 31. ^[3] The CRT clarified that the suspension does not imply the permanent loss of the line, as the service will be restored immediately after the user completes the registration with their phone company. ^[4] The CRT stated that the suspension of lines ending in 1 will be implemented gradually over 72 hours following August 31, which is the deadline for numbers with that ending. ^[5] To complete the registration, users only need to present valid official identification and their CURP, and the authority assured that no biometric data will be stored during the process. ^[6] Users can reactivate their service immediately by completing the registration process with their mobile carrier, even if the line has already been suspended. ^[7] Telecommunications companies apply the suspension of unregistered lines within 72 hours after the deadline expires. ^[8] The CRT approved new guidelines requiring every mobile line to be linked to a physical or legal person, eliminating anonymous phone usage in Mexico starting January 9, 2026. ^[9] Users can reactivate suspended lines automatically by registering via the official website registratulinea.crt.gob.mx or visiting a customer center, without needing to pay a reconnection fee. ^[10]