How to get the FNMT digital certificate in Oviedo (2026)
Cost
Free
Free of charge
Time at office
30 minutes at the appointment
Estimated time
2 to 3 business days
Quick summary
Complete guide to obtain the FNMT digital certificate for online administrative procedures.
Required documents
-
Original identification document
Valid DNI, NIE or Passport.
-
Digital signing device
Compatible electronic signature device.
- ?
Representation certification Optional
Notarial power of attorney or authorized document if the interested party cannot attend in person.
⚠️ Only if processed through a third party
: 2026
Step by step
- 1
Online Application
Go to official siteAccess the FNMT website to apply for the digital certificate.
!Expert tip
"You need a compatible electronic signing device."
- 2
In-Person Verification
Visit a registration office to verify your identity in person.
!Expert tip
"Bring the identification document and the digital signing device."
- 3
Download the Certificate
Download the digital certificate from the FNMT website.
!Expert tip
"Use the signing device to download and save the certificate."
Offices and service points - Oviedo
AEAT Registration Office in Oviedo
Frequently asked questions
Can I apply for the digital certificate by mail?
What is the validity period of the digital certificate?
Official sources and useful links
This guide is for informational purposes only. Always check the official source for current information.