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Glossary

Certificado digital (Electronic Certificate)

A certificado digital lets you access and sign official services online. It’s essential for many tax and admin tasks.

Articles explain general principles and are for information only. They do not constitute legal, tax or other professional advice. Real outcomes depend on residence, income structure, documents and timing.

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Where to find it

Obtain via FNMT: apply online, verify identity, then install the certificate.

Why it matters

Enables secure access to tax, social security and municipal services.

What to do now

  1. Apply on FNMT website
  2. Verify identity at an authorized office
  3. Install the certificate and back it up

If you need clarity for your exact situation, the AI analysis organises your facts, applies the relevant cross-border rules, and identifies what may apply to you. A verified EU expert can review the structured case and issue a written conclusion.

Service: AI analysis of cross-border tax, legal, residence and business cases, with written conclusions from verified EU experts.
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FAQ

Yes for many services, but some still require the certificate.

You usually find your Certificado digital (Electronic Certificate) in official letters, online portals, or documents from authorities.

Yes, Certificado digital (Electronic Certificate) is often required for taxes, banking, or admin tasks.

Contact the relevant office to request a replacement or check your online account.
Mathieu Fiscalis
Mathieu Fiscalis

AI assistant – Taxes & Cross-Border Tax

Mathieu Fiscalis