Obtain FNMT Digital Certificate in León (2026)
Cost
Free
Free of charge
Time at office
15 minutes (only for identity verification)
Estimated time
Same day
Quick summary
How to get the FNMT digital citizen certificate (FNMT-RCM) in León. Required for online transactions with administration. Free of charge.
Required documents
-
Valid DNI or NIE
Original identification document to present during the verification.
-
Compatible device with browser
Firefox or Internet Explorer for downloading the certificate (recommended Firefox).
: 2026
Step by step
- 1
Request an online application code
Go to official siteAccess cert.fnmt.es and enter your NIF to obtain an application code that will be sent to your email.
!Expert tip
"Use the same browser throughout the process (application, verification, and download)."
- 2
Verify your identity in person
Visit an FNMT registration office (AEAT, TGSS, or City Hall) in León with your DNI original and the application code.
!Expert tip
"You can verify at AEAT office or Social Security Treasury without prior appointment in many cases."
- 3
Download the certificate
Go to official siteReturn to cert.fnmt.es within the next few hours (or the following day) with the same browser and download the certificate.
!Expert tip
"Make a secure backup of the certificate (.p12) with a strong password."
Offices and service points - Leon
FNMT Registration Offices — León (AEAT, TGSS, City Hall)
Frequently asked questions
What is the digital certificate used for?
Does the certificate expire?
Official sources and useful links
This guide is for informational purposes only. Always check the official source for current information.