A fiscal transaction counter sounds simple—until it meets the reality of modern retail. POS systems often count much more than sales, creating gaps that can become a serious problem for tax authorities. Add cloud POS, e-commerce, offline operation, retries and multiple checkout channels, and a simple sequence of numbers quickly becomes a complex compliance architecture challenge. A simple se... Read more

On July 9, 2026, SAT published amendments to the Miscellaneous Tax Resolution, updating tax rules, electronic invoicing, film incentives, and IEPS regulations. On July 9, 2026, Mexico’s Tax Administration Service (SAT) published the First Resolution of Amendments to the Miscellaneous Tax Resolution for 2026 in the Official Gazette. The Miscellaneous Tax Resolution is issued annually and con... Read more

Mexico's SAT utilizes digital tax data for preliminary reviews to identify discrepancies before formal audits. This reflects a broader digital enforcement strategy under the 2026 Master Plan, focusing on transparent, risk-based audits. Retailers must ensure consistency between global CFDIs and underlying transactions, as discrepancies can arise from cancellations and returns. Taxpayers have 15 day... Read more

Mexico’s tax authority (SAT) may investigate the authenticity of transactions behind CFDIs. They assess “materiality” linked to the real economic substance of declared transactions. Read more

CSD suspension can halt retail invoicing operations. The tax authority may review CFDIs for validity, impacting taxpayers quickly. Read more