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Ensure that all your contracts supporting commercial operations have a certain date, a requirement you must meet for the associated expenses to be deductible.
Of the three methods approved by Mexican legislation, Mifiel's—formally accepted by the SAT—is the simplest and most cost-effective way to grant a certain date.
When you sign with Mifiel, all your contracts receive a certain date, as they are sealed with a certificate in accordance with NOM-151.
Mifiel is Mexico's leading platform for digital contract management and signing. Our goal is to offer a simple electronic signature process with an optimal user experience for your signers, while also streamlining document management for your team.
Find more information hereIt is impossible to retroactively assign a certified date to a document. That is why it is important to provide your contracts with a certified date as soon as possible.
No. For a document to obtain a certified date through a preservation certificate, it must be electronic in origin, as must its signatures.
Yes. In a confirmation of criteria addressed to Mifiel, the SAT acknowledged that preservation certificates “[…] guarantee to any third party or authority that electronic documents have been kept intact and unchanged since their generation, thus preventing the simulation of legal acts.”
Still have questions?
Giving your contracts a certified date is easier than you think. Just follow these steps:
1. Upload your document in PDF format
2. Sign it electronically on Mifiel
3. We seal your documents with a NOM-151 preservation certificate
4. Your contract is ready to be presented to the SAT in the event of an audit.
Create your Mifiel account and start giving your contracts a certified date with the 5 free documents included.
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Mifiel guarantees that the private key remains under the user's exclusive control. It also generates a proof of preservation that validates the signature was valid at the time it was created and that neither the data message nor the signature has been altered since. This packaging is the added value that sets us apart from other solutions on the market.
See moreAlfredo Reyes Kraft, Managing Partner at Lex Inf Abogados
Implementing Mifiel provides absolute legal certainty for the instruction letters that trustors must receive from a trustee.
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"To sign promissory notes electronically, we required legal support and validity. The method Mifiel uses allows us to do just that."
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