OECD: Taxation

The official web portal for the Organisation for Economic Co-operation and Development (OECD) tax policy and research. Managed by the OECD Centre for Tax Policy and Administration, this global portal provides comprehensive international tax standards, comparative statistics, research reports, and policy guidelines across key fiscal areas. Main subjects covered include Base Erosion and Profit Shifting (BEPS Pillar 1 & Pillar 2), global tax transparency and exchange of information, tax treaties, transfer pricing guidelines, consumption taxes (VAT/GST), tax administration digital transformations, tax and environmental sustainability, and tax policy in developing economies. It serves as a primary reference for tax lawyers, policymakers, accounting professionals, and researchers in international taxation and public finance.