The Federal Telecommunications Institute (IFT) in Mexico has updated homologation guidelines for telecommunication and broadcasting devices which can build connection to telecommunication networks or use the radio-electric spectrum. The updated guideline comes into effect as of June 27, 2022.
The main changes are as follows:
For only submissions done after June 27th will need to be done under the new PEC 2022. Which is, The two first characters would correspond to the two first letters from the main certificate owner, then the second two would refer to the brand, then to the first two letters from the main model name, followed by the two last digits from the year, a dash, and the final digits would correspond to the submission reference number.
Here is the link of the official requirements.