eSignature Legality in Switzerland

E-Signature Legality Summary

This guide explains the electronic-signature framework in Switzerland, including the governing laws, legal effect, accepted signature methods, validity requirements, exclusions and practical business uses.

Applicable Laws

Federal Act on Electronic Signatures (ZertES/SCSE) and applicable provisions of the Swiss Code of Obligations

Legal Status

Electronic records and signatures receive legal recognition in Switzerland under Federal Act on Electronic Signatures (ZertES/SCSE) and applicable provisions of the Swiss Code of Obligations. The signing process must also satisfy every document-specific rule on identity, evidence, delivery, retention, witnessing, notarization, registration or filing.

Regulatory Authority

Federal Office of Communications (OFCOM), Switzerland

Legal Recognition (Effect)

The legal effect of an electronic signature is assessed under Federal Act on Electronic Signatures (ZertES/SCSE) and applicable provisions of the Swiss Code of Obligations. The assessment covers signer intent, reliable attribution, integrity of the signed record and compliance with every prescribed form for the document or transaction.

Accepted Types of Electronic Signatures

Qualified electronic signature - QES

Electronic signature: data in electronic form that is attached to or logically linked to other electronic data and used to verify them;

Advanced electronic signature: an electronic signature that meets the following requirements: 1) it is assigned exclusively to the owner; 2) it is capable of identifying the holder; 3) it is generated by means that the holder can keep under sole control; 4) it is linked to the data to which it refers so that any subsequent change of the data can be detected;

Regulated electronic signature: an advanced electronic signature created using a secure signature creation device, based on a regulated certificate issued to a natural person that is valid at the time the electronic signature is generated;

Qualified electronic signature: a regulated electronic signature based on a qualified certificate;

An Electronic Signature (SES) is electronic data attached to or logically associated with other electronic data and used to verify that data. An Advanced Electronic Signature (AES) must be assigned exclusively to its holder, identify the holder, be generated by means under the holder’s sole control, and be linked to the relevant data so that any subsequent alteration is detectable. A regulated Electronic Signature (SES) is an Advanced Electronic Signature (AES) created with a secure signature-creation device and based on a regulated certificate issued to a natural person that is valid when the signature is created. A Qualified Electronic Signature (QES) is a regulated Electronic Signature (SES) based on a qualified certificate.

An Advanced Electronic Signature (AES) is required for notarial work and use by state authorities under Articles 7 and 8 of Law No. 18,600. Caution is also advised for marriage documents, wills and trust documents, real-property transactions, government forms, and applications.

Legal Requirements for Electronic Signatures

Qualified electronic signature: a regulated electronic signature based on a qualified certificate;

Limitations and Exceptions

Before using an electronic signature, classify the document and complete each prescribed formality. The review must cover:

• documents excluded by the governing electronic-transactions legislation;
• wills, family-law instruments and succession documents governed by special form rules;
• deeds, real-estate transfers, notarized instruments and registrable documents;
• court filings, public-authority forms and regulated notices; and
• sector rules for financial services, healthcare, employment, consumer transactions and cross-border use.

Industry Applications and Typical Use Cases

Supported in most scenarios

Electronic signatures support commercial contracts, sales and procurement, employment documentation, internal approvals and customer onboarding when the governing document and sector rules are satisfied.

For regulated or cross-border workflows, record the governing law, required assurance level, signer-authentication method, evidence package, retention period and receiving-party requirements before launch.