The CIAT, jointly with the State Agency for Tax Administration and the Institute for Fiscal Studies of Spain, semiannually publishes the CIAT/AEAT/IEF Tax Administration Review. In this sense, we are pleased…
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The CIAT Executive Secretariat is pleased to announce that section 6.1 of the Manual for the Control of International Tax Planning, titled “6.1 Audit of Multinational Enterprises and Entities with…
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On August 28, 2025, the Director of Technical Assistance and Innovation at the Inter-American Center of Tax Administrations (CIAT), Raul Zambrano Valencia, participated with the presentation: “Digital Transformation of Tax…
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On September 4 and 5, 2025, representatives of ATAF, COTA, CREDAF, IOTA, CIAT and CATA met at the headquarters of the Commonwealth Association of Tax Administration (CATA) to discuss the…
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The Institutional Strength Index of Tax Administrations (IFIAT) uses 156 ISORA variables grouped into five dimensions — 1) Management autonomy; 2) Governance, control, and planning; 3) Personnel management; 4) Taxpayers…
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On August 21, 2025, representatives of the CIAT Executive Secretariat met with the Superintendent of SUNAT (National Superintendency of Customs and Tax Administration) of Peru, Mrs. Marilú Haydee Llerena Aybar,…
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