Legal Requirements and Validity of Electronic Signatures in Spain

Understanding Spain's Contract and Commercial Law Act: Legal Validity of eSignatures

Are electronic signatures legal in Spain?

Yes, electronic signatures are legally valid in Spain. Governed by eIDAS and Spanish Law 6/2020, electronic signatures are widely used and recognized across the country. They hold the same legal status as handwritten signatures, provided they meet the requirements outlined in the regulations.

What regulations govern electronic signatures in Spain?

eIDAS Regulation (EU No. 910/2014): Implemented in July 2016, eIDAS standardizes rules for electronic signatures across EU Member States, including Spain.
Spanish Law 6/2020: Introduced to align with eIDAS, it regulates Trusted Service Providers (TSPs) and certification processes for Qualified Electronic Signatures (QES).

What are the types of electronic signatures under eIDAS?

eIDAS recognizes three types of electronic signatures:

Simple Electronic Signature (SES):
- Used by the person associated with the signature.
- Demonstrates the intent of the signer.
- Linked to the document or data the signer intended to sign.
Advanced Electronic Signature (AES):
- Linked to the person using the signature.
- Allows identification of the signer.
- Created under the sole control of the signer.
- Linked to the document to detect any post-signature alterations.
Qualified Electronic Signature (QES):
- Requires a qualified certificate issued by a Trusted Service Provider.
- Created using a secure signature creation device.
- Recognized as equivalent to a handwritten signature and requires no further proof of validity in court.

What makes a Qualified Electronic Signature unique?

A QES provides the highest level of legal assurance and reverses the burden of proof in disputes. It eliminates the need for additional evidence, as the digital certificate issued by a TSP confirms its authenticity.

Can electronic signatures be used for government filings in Spain?

Yes, electronic signatures are accepted by Spanish government authorities. However, Qualified Electronic Signatures (QES) are mandatory for all administrative processes or filings involving government entities, as outlined in the Administrative Proceeding Act.

What documents can be electronically signed in Spain?

The following documents are commonly signed electronically in Spain:

Commercial agreements between corporate entities
Non-Disclosure Agreements (NDAs)
Procurement documents
Sales agreements
Consumer agreements
Purchase and sales contracts

What documents cannot be electronically signed in Spain?

Certain documents still require wet ink signatures due to legal or formal requirements:

Documents requiring notarization
Tax-related documents
Mortgage documents
Prenuptial agreements
Powers of attorney

How has the COVID-19 pandemic impacted the adoption of eSignatures in Spain?

The pandemic accelerated the use of eSignatures as businesses and government entities adopted remote work setups. This “new normal” increased reliance on digital transactions, further cementing eSignatures as an essential tool in maintaining business continuity.

How can I create a legally binding eSignature in Spain?

To ensure compliance with Spanish law:

Use a trusted platform:
- Solutions like Certinal eSignoffer secure, compliant, and efficient electronic signature services.
Follow the type-specific requirements:
- Use SES, AES, or QES based on the nature and sensitivity of the transaction.
Obtain qualified certificates:
- For QES, ensure the certificate is issued by a recognized Trusted Service Provider.

What role do Trusted Service Providers (TSPs) play in Spain?

Trusted Service Providers (TSPs) are regulated under Spanish Law 6/2020. They issue the qualified certificates required for QES, ensuring the authenticity and reliability of electronic signatures.

Certinal's Expertise in eSignature Adoption

Certinal eSign provides secure and legally compliant eSignature solutions, supporting organizations in navigating Spain’s regulatory framework. Trusted globally, Certinal ensures seamless digital transformations, enabling businesses to thrive in the eIDAS-compliant environment.

FAQs on Electronic Signatures in Spain

Are electronic signatures legally valid in Spain?

Yes, electronic signatures are valid under eIDAS and Spanish Law 6/2020, provided they meet specific conditions.

What types of electronic signatures are recognized in Spain?

Spain recognizes three types of eSignatures:

What is a Qualified Electronic Signature (QES)?

A QES is the most secure form of electronic signature, supported by a qualified certificate issued by a Trusted Service Provider.

Can electronic signatures be used for government filings?

Yes, but QES is required for administrative transactions with government authorities.

What documents cannot be electronically signed in Spain?Documents requiring notarization, tax-related documents, mortgage contracts, prenuptial agreements, and powers of attorney must still be signed physically.

Why Choose Certinal eSign for Your Business Needs?

Certinal eSign is a trusted partner for organizations in Spain, offering tailored eSignature solutions that align with eIDAS and Spanish Law 6/2020. Whether for commercial agreements or government filings, Certinal provides secure, efficient, and legally compliant services to streamline your workflows and ensure seamless digital transactions