On June 30, 2026, the legal deadline to register mobile telephone lines with the Telecommunications Regulatory Commission (CRT) expires, a mandatory measure to combat extortion and fraud that, if not met in the next 75 days, will result in the immediate disabling of calls, messages and data.
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Urgency in the telephone registry in the face of low citizen compliance
Time is running out for more than 150 million mobile phone users in Mexico. Despite the proximity of the deadline, the statistics reflect a critical delay in compliance with this regulation. According to data from “El Universal” at the end of March, only 14% of users had completed the procedure. More recent figures published by “Reforma” this April 15 indicate that progress is less than 18%, which places the vast majority of the population at risk of losing their connectivity.
This new regulatory framework requires that every mobile line, without exception, be linked to a fully identifiable natural or legal person. The provision does not distinguish contracting modalities, affecting equally:
- Prepaid lines and postpaid plans.
- Active numbers for personal use.
- Corporate and institutional lines.
- Physical SIM cards and eSIM technology.
18%
Compliance
82% at risk of disconnection
Scope of application (Mandatory):
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Requirements and documentation necessary for official registration
To avoid interruption of service, holders must provide current official documentation that proves their identity and connection to the line. Requirements vary depending on the type of user:
- Natural persons: Presentation of official identification (INE or passport) and the Unique Population Registration Code (CURP).
- Legal entities: The registry is managed through the organization’s Federal Taxpayer Registry (RFC).
- Foreigners: Residents or visitors with active lines in national territory are also subject to this process within the established deadlines.
Registration can be carried out in person at the customer service centers of each operator or through the digital platforms that telecommunications companies have enabled for this purpose, under the technical guidelines of the authority.
Natural Persons
Official Identification (INE / Passport)
CURP (Unique Key)
Moral People
RFC of the Organization
Power of Attorney (Representative)
Foreign Residents
Current Immigration Document
International Passport
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Operational risks and warnings about the informal market
The implementation of this registry has generated alerts among sector specialists. Lawyer Sergio Legorreta has pointed out to “El Financiero” the existence of legal loopholes that could encourage illicit practices. The main concern lies in the possible creation of an illegal secondary market for already activated chips, where individuals with business activity could register thousands of lines without rigorous verifications for subsequent resale.
Likewise, there is a vulnerable sector of the population that faces administrative obstacles. A considerable number of users lack valid official identification or have irregular documentation, which, according to experts, could involuntarily displace them towards alternatives outside the legal framework, not for criminal purposes, but for the simple impossibility of complying with the formal requirement.
Privacy protocols and custody of sensitive information
Given the debate on the protection of personal data, the institutional position of the presidency, headed by Claudia Sheinbaum, emphasizes that the objective is to provide prosecutors with tools to track illicit crimes and not establish a state surveillance system. The president has clarified that there will not be a central registry administered directly by the government.
The responsibility for safeguarding the information falls directly on the telephone companies. These entities will only deliver user data in response to a specific judicial request derived from an investigation for a crime. Operators have the power to develop their own identity validation mechanisms, guaranteeing the security of the files in their custody.


