What is Intra-European Organisation Of Tax Administrations?

Legal Definition
The Intra-European Organisation of Tax Administrations (IOTA), is a non-profit intergovernmental organisation, which provides a forum to assist members in European countries to improve their fiscal functionality. Members are the individuals who help tax subjects (citizens) for the various governments in Europe. The body was organised as a result of the Conference of Tax Administrations of Central and Eastern Europe and Baltic Countries (CEEB), Warsaw, on 28–30 October 1996. The formation was supported by the European Union, the International Monetary Fund, the OECD, CIAT and the USA.
-- Wikipedia