Frequently Asked Questions

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Frequently Asked Questions

Document signing

Document signing

Resources for document signers in Mifiel

How to sign without an e.firma in Mifiel using identity verification with biometrics

How to sign documents in Mifiel without an account using the signing portal

How to sign a document using the e.firma in Mifiel

How does Mifiel protect the use of my e.firma/FIEL?

How do I receive and download the signed document?

Features of the e.firma

What is the e.firma or FIEL, which are the files it encompasses and how does it work?

How can I see the RFC associated with the e.firma/FIEL that I have?

Common errors

I was invited to sign but I don’t see the document in the "My documents" section

Why am I getting the error message “The e.firma you selected has expired/has been revoked” and how can I resolve it?

When I try to sign, it says that the .cer or .key file I selected do not correspond to an e.firma issued by the SAT

The system states that my RFC is incorrect

What can I do when my e.firma files do not match?

I cannot sign, I get the message “You selected a .cer file that corresponds to a CSD”

What can I do if I forgot my e.firma's password?

What can I do if my certificate is already linked to another account?

I cannot sign, I get the message "The password is incorrect"

How to sign documents with an e.firma other than the one I have registered

How do I know if I am using the right files?

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