Treaty on the Functioning of the European Union Treaty on the Functioning of the European Union The Treaty on the Functioning of the European Union (2007) is one of two primary Treaties of the European Union, alongside the Treaty on European Union (TEU). Originating as the Treaty of Rome, the TFEU forms the detailed basis of European Union law, by setting out the scope of the EU's authority to legislate and the principles of law in those areas where EU law operates. The TFEU originated as the treaty establishing the European Economic Community (the EEC treaty), signed in Rome on 25 March 1957. On 7 February 1992, the
Charter of Fundamental Rights of the European Union the drafters of the EEC Treaty wished to eschew any implicitly political elements. However, the idea that the purely economic end of the new EEC Treaty would be unlikely to have any implications for fundamental rights was soon to be tested. Soon after the entry into force of the EEC Treaty, the Community established itself as a major political entity with policy ramifications beyond its economic aims. In 1964, the European Court of Justice handed down its decision in "Costa v ENEL", in which the Court decided that Union law should take precedence over conflicting national law. This meant that