Also known as: FIEL, e.firma, AES
A digital identification mechanism using SAT-issued certificates to guarantee authenticity, integrity, and non-repudiation of electronic documents in foreign trade operations.
The advanced electronic signature (e.firma or FIEL) is a cryptographic mechanism issued by SAT allowing individuals and companies to digitally sign documents with legal validity. In foreign trade, it is essential for signing customs declarations, COVEs, the MVE, and operating in VUCEM.
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Learn more→Electronic Signature (e.firma)
A digital certificate issued by Mexico's SAT that identifies individuals and entities, used to electronically sign documents with legal validity.
TechnologyDigital Seal
An electronic certificate linked to the e.firma used to authenticate and sign documents with VUCEM and other SAT systems.
RegulationsVUCEM (Single Window)
Mexican government's electronic platform that centralizes all foreign trade procedures in a single digital window.
TechnologySAAI (Automated Customs System)
The Mexican Tax Administration Service's (SAT) technology platform that electronically processes all customs operations in Mexico, including customs entry reception, duty payment, random inspection mechanism activation, and merchandise control in bonded facilities.
Documentse.firma (Electronic Signature) for MVE
The importer's Advanced Electronic Signature, required to sign Mexico's Electronic Value Declaration (MVE). Personal, non-transferable, issued by Mexico's SAT.