Tax Law

Tax litigation is at the heart of our firm. Our tax controversy team is a leader in Mexico, representing clients in litigation at both the federal and state levels. We have successfully advised numerous clients in a wide range of complex proceedings, including:

• Tax Audits and Examinations. Representation and defense in connection with actions and requests arising from the exercise of audit and examination powers by the Mexican Tax Administration Service (SAT) and local tax authorities.
• Administrative Proceedings. Filing and handling administrative appeals before the Mexican Tax Administration Service (SAT), as well as appeals and other legal remedies before local tax authorities.
• Litigation Before Administrative Courts. Annulment actions and other administrative litigation proceedings before the Federal Court of Administrative Justice and local administrative courts.
• Tax Disputes in the Mining and Metallurgical Sector. Representation in tax disputes related to the exploration, extraction, processing, and commercialization of minerals, including disputes involving fees, government charges, and other taxes associated with the use and exploitation of natural resources and public assets.
• Disputes Involving Concessions and Sector-Specific Regulations. Representation in disputes concerning tax obligations arising from concessions and activities subject to specialized regulatory frameworks, including matters involving the interaction between tax laws and the legal framework governing the mining industry.
• Amparo Proceedings. Representation and defense through indirect and direct amparo proceedings before Federal District Courts and Collegiate Circuit Courts of the Mexican Federal Judiciary, including matters of significant legal importance.
• Direct Amparo Appeals. Representation in cases of particular legal significance before the Supreme Court of Justice of Mexico, involving appeals for review of direct amparo rulings.
• Conclusive Agreements. Guidance and representation of taxpayers in proceedings before the Mexican Taxpayer Defense Agency (PRODECON), particularly as a mechanism to prevent or resolve disputes arising from tax audits and examinations.
• Tax Assessments and Penalties. Defense against tax assessments, fines, and other liabilities arising from complex transactions, including disputes involving the interpretation and application of tax laws and specialized tax regimes.
• Social Security and Employer Obligation Disputes. Representation of manufacturing companies in disputes with the Mexican Social Security Institute (IMSS) and other administrative authorities, including proceedings involving occupational risk insurance premiums, employer obligations, penalties, and administrative actions that directly affect operational continuity and costs.