International Survey on Revenue Administration
The International Survey on Revenue Administration (ISORA) is a survey of revenue administration performance-related data conducted by the IMF in collaboration with the Inter-American Center of Tax Administrations, the Intra-European Organisation of Tax Administration, and the Organisation for Economic Co-operation and Development. This presentation provides an update on the development and expansion of ISORA, including the most recent survey for 2016 and ADB’s role in the survey.