Legal framework in Cuba
Decree-Law 370/2018 on the informatization of society recognizes, in article 31, the validity of digital documents signed electronically. Resolution 23/2022 of the Ministry of the Interior regulates digital signature services, supported by the National Public Key Infrastructure (INLP).
Legal framework
Decree-Law 370/2018 and Resolution 23/2022
How the legal framework evolved in Cuba
2018
Decree-Law 370: framework for the informatization of society, including electronic signatures.
2022
Resolution 23/2022 of the Ministry of Communications: regulates the use of digital signatures in the country.
2020s
Cuban e-commerce and digital banking broaden the use of electronically signed documents.
Types of electronic signature in Cuba
Electronic signature
Electronic data identifying the signer within the framework of the informatization of society (Decree-Law 370/2018).
Certified digital signature
With certificates issued within the national public-key infrastructure, regulated by the Ministry of Communications (Resolution 23/2022).
What makes a signature valid in Cuba?
The signature relies on certificates issued by authorized providers. Firmiu documents every signature with IP, device, location and verification, reinforcing traceability.
Which documents can you sign in Cuba?
Can be signed electronically
- Service contracts between economic actors
- Contracts with non-state businesses (SMEs, self-employed)
- Confidentiality agreements
- Quotes and purchase orders
- Internal and commercial documents
Usually require a notary or handwritten signature
- Home sales (they require a notary)
- Wills
- Notarial acts
- Civil-status acts
These lists are indicative: the document type and applicable law determine each case.
How to sign documents in Cuba
Upload your PDF
Upload the document and enter the name and email of the person who must sign.
The signer receives a link
They get an email with a unique link and a verification code.
Signed document
The PDF is signed with its audit trail, ready to download.
Frequently asked questions
- Are digital signatures legal in Cuba?
- Yes. Decree-Law 370/2018 recognizes the validity of electronically signed documents.
- Which rule governs signature services?
- Resolution 23/2022 of the Ministry of the Interior.
- What documents are they good for?
- Digital documents and procedures within the country's informatization framework.
- Are electronic signatures valid in Cuba?
- Yes. Decree-Law 370/2018 and Resolution 23/2022 recognize electronic and digital signatures within the informatization framework.
- Who issues digital certificates in Cuba?
- The national public-key infrastructure under the Ministry of Communications. For simple commercial agreements, an audited electronic signature is a practical alternative.
- Can SMEs and the self-employed sign electronically?
- Yes. The new economic actors can execute contracts electronically, streamlining their operations.
- Is it valid evidence before Cuban courts?
- Electronic documents are recognized within the current legal framework; keeping the audit trail reinforces their value.
Official sources
The information on this page is general in nature and does not constitute legal advice. The validity of an electronic signature depends on the applicable legislation and the document type; for specific cases, consult a legal professional.
Guide reviewed and updated: July 2026.
Electronic signatures by profession
Guides for the industries that sign the most documents in Cuba.
Related guides
Are electronic signatures legal? What you need to know
Electronic signatures are legal across Latin America, Spain and the United States. Here's what makes them valid and where they're recognized.
Types of electronic signature: simple, advanced and qualified
Not all electronic signatures are the same. Here are the three levels and which one you need for each document.
What documents can you sign electronically
Electronic signatures work for far more documents than you'd think. Here are the most common ones and the exceptions.
Electronic signature in other countries
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