On July 15, 2026, a delegation from the Executive Secretariat of the Inter-American Center for Tax Administrations (CIAT), led by its Executive Secretary, Mr. Márcio Verdi, met with the head…

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On July 9, 2026, Márcio F. Verdi, Executive Secretary of the Inter-American Center of Tax Administrations (CIAT), participated in the General Assembly of the Panama Chapter of the International Fiscal…

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The CIAT Executive Secretariat, with the support of Mexico’s Tax Administration Service (SAT), the Spanish Agency for International Development Cooperation (AECID), the Spanish National Distance Education University (UNED), and the…

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This Working Paper analyzes the main legal challenges posed by the application of the Under-Taxed Profits Rule (UTPR) within the framework of double taxation treaties, examining the various doctrinal positions…

The Inter-American Center of Tax Administrations (CIAT) participated in the 34th Conference of the International Association for Feminist Economics (IAFFE) with a virtual presentation of the book *Taxation and Gender*,…

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The updated version of the Summary of Tax Legislation in Latin America 2025 is a fundamental reference work on the tax regulations in force until October 31, 2025, in nineteen Latin American countries. The…

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