Mexico’s Servicio de Administración Tributaria (SAT) has introduced a new mandate requiring digital platforms to provide permanent, real-time online access to their tax and operational data under the 2026 Miscellaneous Tax Resolution. Read more

Mexico’s tax authority (SAT) is increasing data-driven oversight by sending notices on CFDI inconsistencies, particularly the misuse of the PUE payment method instead of PPD for deferred payments. Read more

Mexico’s SAT has begun sending notices to taxpayers over inconsistencies in CFDI invoicing, particularly the incorrect use of the PUE payment method instead of PPD when payments are deferred. Read more

Mexico’s Tax Administration Service (SAT) updated the CFDI 4.0 electronic invoicing catalogs on March 2, 2026, modifying records related to the c_NumPedimentoAduana catalog used for customs operations. Read more

Mexico’s SAT has confirmed that the Constancia de Situación Fiscal (CSF) is not required to issue CFDIs, and conditioning invoicing on providing the CSF is unlawful and subject to fines under the Federal Tax Code. Read more

In late January 2026, Mexico’s SAT unveiled its Plan Maestro 2026, centered on strengthening the integrity of the CFDI system through intelligent, risk-based audits, enhanced taxpayer assistance, and a strong crackdown on the purchase and sale of false invoices. Read more