Every electronically signed document should have a preservation certificate. Why?

Imagine a digital time stamp that:
That is a preservation certificate. Read more...

Official Mexican Standard 151 is the technical regulation that defines in detail how a preservation certificate must be structured. It is secondary regulation to Article 49 of the Commercial Code.
Regardless of the type of electronic signature a document has, the proof provides a presumption of integrity. Even if the document has no signatures, its integrity will be guaranteed.
Learn about the legal presumptions of the FIEL and their benefits
Regardless of the type of electronic signature a document has, the proof provides a presumption of integrity. Even if the document has no signatures, its integrity will be guaranteed.
Learn about the legal presumptions of the FIEL and their benefits
The SAT requires a certain date to support tax operations. The Asset Forfeiture Law requires this date to establish liability. For electronic documents, the NOM-151 preservation certificate provides it.
Dr. Alfredo Reyes Krafft, an expert attorney in the field, explains it to us.