On February 3, 2021, the Mexican Institute of Social Security (IMSS) published on its internet portal that version 3.6.1 of the Single Self-determination System (SUA) is available.

This version includes the following modifications:

• Validation of the correct entry of the minimum wage, the Unit of Measurement and Update (UMA), and the Infonavit Value in force to date.

• Update of the surcharge factors for the period from July 1997 to July 2020.

Before updating the SUA version, we recommend backing up all the information contained in this software.

We remain at your service for any questions or clarifications in this regard.