The FTA procures the majority of federal revenue and makes an important contribution to the financing of public tasks. It ensures that VAT, direct federal tax, withholding tax and other levies are collected efficiently and in accordance with the law. The FTA draws up the legal enactments in the area of tax law and, together with the cantons, implements the formal harmonization of direct taxes from the Confederation, cantons and municipalities. It provides information on national tax issues and makes its contribution to a good tax climate and the further development of the tax system. The FTA is also responsible for the implementation of international treaties to avoid double taxation and the international administrative assistance procedure in tax matters,