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
Merger Treaty common institutions (prior to this treaty, they already shared a Parliamentary Assembly and Court of Justice) and were together known as the European Communities. This treaty is regarded by some as the real beginning of the modern European Union. This treaty was abrogated by the Amsterdam Treaty signed in 1997: Merger Treaty The Merger Treaty (or Brussels Treaty) was a European treaty which combined the three executive bodies of the European Coal and Steel Community (ECSC), European Atomic Energy Community (Euratom) and the European Economic Community (EEC) into a single institutional structure. The treaty was signed in Brussels on 8