In January, the European Commission presented new measures designed to prevent and combat corporate tax avoidance ("the Proposal"). The Proposal is a coordinated EU-wide response to corporate tax avoidance, following global standards developed by the OECD last autumn. New rules are deemed necessary to align the tax laws of all 28 EU member states in order to fight aggressive tax practices by large companies. This article briefly outlines the content of the Proposal and points out the practices which will be disallowed in the (near) future.