Electronic Signature (e.firma): Who Qualifies and What You Get
Learn how to obtain your secure digital identity to sign government documents electronically in Mexico.
The Electronic Signature, also known as e.firma, is a secure digital identity that allows you to sign documents online for government purposes.
Who it's for
This is for taxpayers who need to sign official documents electronically.
What you get
You receive a secure digital identity that allows you to complete various procedures and sign documents on government portals.
What it costs you
There is no monetary fee, but you will need to make an in-person visit to a tax office. You must also bring a USB drive to save your digital files.
The catch to know
Your digital identity relies on specific files (known as .key and .cer files) that are very easy to lose. You must back these files up in a safe place to ensure you do not lose access to your digital signature.
How to apply
- Prepare your identification and necessary documentation.
- Bring a USB drive to store your digital files.
- Visit a tax office in person to complete the registration.
- Follow the instructions on the official portal for more details: https://www.sat.gob.mx/