Legal validation
Legal validity of digital signatures in electronic tax documents
Digital signing with a digital certificate establishes the authorship, integrity, and legal validity of electronic documents, contracts, XML files, and tax documents. In SPED Total, digital signatures support tax processes that require security, authenticity, compliance, and traceability.What is legal validation of a digital signature?Legal validation is the ability to establish that an electronic document was signed by a particular holder on a specific date, without subsequent changes to the signed content.

Authenticity and compliance
Greater security for electronic documents and XML files
Legal validation of digital signatures helps businesses protect electronic tax documents, reduce the risk of disputes, and maintain compliance in processes that require a digital certificate.- Proof of digital signature authorship.
- Protection against subsequent changes to the document.
- Record of the signing date and time.
- Use in XML files and electronic tax documents.
ID
Authorship
Identifies who signed the electronic document, linking the digital signature to the digital certificate holder.🔒
Integrity
Ensures that any change made after signing can invalidate the digitally signed document.⏱
Date and time
Records when the digital signature was made, strengthening the traceability of the electronic process.Electronic documents
Where is legal validation applied?
Legal validation of digital signatures can be used in electronic documents that require proof of authorship, integrity, and legal certainty.- XML files for electronic tax documents.
- NF-e, NFS-e, and other digital tax documents.
- Contracts, agreements, and corporate documents.
- Electronic processes that require secure authentication.
Benefits for your business
- Greater security in digital tax operations.
- Reduced risk of unauthorized changes.
- More reliable electronic documents.
- Support for compliance with tax requirements.
Why does this matter for tax operations?In electronic tax processes, legal validation helps ensure that documents, XML files, and digital signatures can be verified securely, reducing operational risks and increasing confidence in the information transmitted.