Treaty of Rome in 2009, the Treaty of Lisbon renamed it the "Treaty on the Functioning of the European Union". 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 Maastricht treaty, which led to the formation of the European Union, saw the EEC Treaty renamed as the Treaty establishing the European Community (TEC) and renumbered. The Maastricht reforms also saw the creation of the European Union's three pillar structure, of which the European Community was the major constituent part. Following the 2005 referenda, which saw the
Voting in the Council of the European Union analysis of the distribution of voting power under different voting rules in the EU Council often requires the use of complex computational methods that go beyond a mere calculation of vote share, such as the Shapley-Shubik index or the Banzhaf measure. According to Article 148 of the Treaty establishing the European Economic Community (EEC Treaty), acts of the Council required for their adoption: The values above are related to the EU-6, the founding member states. The treaty allocated the votes as follows: Under this system, Luxembourg had no voting power for acts proposed by the Commission. Article 148 of the