This paper examines the extent to which World Trade Organization (WTO) rules impinge on policymakers' freedom to formulate tax policies. It provides an overview of both the economic rationale for WTO rules concerning taxation and the provisions of the main WTO agreements concerning border taxes...

It contains a summary of disputes concerning income tax measures that have arisen at the WTO since its establishment, with special attention to the protracted dispute between the EC and the US over the latter's FSC/ETI schemes.