Tax and Accounting News

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Focused updates on rules, reforms and relevant tax movements for individuals and companies in Mexico.

Mexico finance manager counting tax business days from the sixth numeric digit of the company's RFC.
Mexico tax calendar9 min read

SAT Extra Filing Days by the Sixth RFC Digit: Mexico's 2026 Table and Exclusions

SAT still provides one to five extra business days for certain monthly federal returns based on the sixth numeric RFC digit, but the...

Juan Elizondo · Sep 23, 2026Read more →
Taxpayer reviewing income sources to decide whether a RESICO annual return is required.
RESICO8 min read

RESICO individuals' 2025 annual return: reviewing filing relief in 2026

SAT allows filing relief for some RESICO individuals. Confirm the registered regime, other income and monthly filings before applying it.

Andrés Chávez · Apr 27, 2026Read more →