How to know if the electronic signature is valid?
The electronic signature is a digital certificate that the Tax Administration Service (SAT) issues to taxpayers, in order to expedite compliance with the tax obligations they acquire, while having the same validity as their signature.
Due to this, it is important to know how long the electronic signature is valid and if you already have it, renew it in advance, otherwise, you will have to appear again at the SAT offices to comply with the procedure.
Yes ok, The electronic signature is valid for 4 years., you can check the exact date of its issue, and also when it expires. To check its validity, do the following:
- Enter the portal SAT official .
- Go to the “Other procedures and services” section.
- Select the “Identification and electronic signature” section.
- Click on “Validate the validity of your e.firma”.
- Enter your password, key file and e.firma.
- It will tell you the status and expiration date.