On March 5, 2019, the Federal Telecommunications Institute (IFT) of Mexico published the Annual Program of use and exploitation of the frequency bands for 2019.
The purpose of the Annual Program is to determine the Frequency Bands of a specific spectrum that will be subject to bidding or that may be directly assigned and integrated with the services that may be provided through these Frequencies or Frequency Bands, their category, Modalities of use and coverage geographic.
The 2019 Program evaluates applications for the inclusion of frequency bands and geographic coverage received from August 1, 2018, to January 10, 2019.
The deadlines are mentioned in Chapter 3, item 3.4.
For reference, you can see the attached pdf.