Mexico: Tax authority launches online tax resolution service

Mexico signed the Addendum to the Multilateral Competent Authority Agreement on Automatic Exchange of Financial Account Information (CRS MCAA) on 21 November 2025. The addendum updates the Common Reporting Standard (CRS) with additional reporting

Mexico has gazetted the values of the Unit of Measurement and Update (UMA) for 2026 on 9 January 2026. The UMA is a key reference used in Mexico to calculate various administrative and fiscal obligations, including fines, fees, and social

The Tax Administration Service (SAT) of Mexico has announced on 22 January 2026 the implementation of the Fiscal Regularisation Programme 2026, targeting individuals and companies with income of up to  MXN 300 million during the 2024 fiscal

Mexico’s Tax Administration Service (SAT) has confirmed, on 20 January 2026, that the Proof of Tax Status (Constancia de Situación Fiscal, CSF) is not mandatory for issuing electronic invoices (CFDI). Any issuer who conditions the issuance of a

Mexico’s tax administration, the Servicio de Administración Tributaria (SAT), has announced, on 12 January 2026, that the annual tax filing deadline for fiscal year 2025 for Mexican resident legal entities will fall on 31 March 2026. In-scope

Mexico’s Senate has approved tariffs of up to 50% on more than 1,400 products from countries without free trade agreements, including China, India, South Korea, Thailand, and Indonesia. The increases, effective 1 January 2026, target goods such