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European Union

Legal Database

EUR-Lex is the primary database for European Union law and legislation. Includes the Official Journal of the European Union, regulations, decisions, directives, treaties, consolidated versions of legislation, and judgments by the EU Court of Justice.

Treaties

The treaties constitute the European Union’s ‘primary legislation’, which is comparable to constitutional law at national level. They thus lay down the fundamental features of the Union, in particular the responsibilities of the various actors in the decision-making process, the legislative procedures, under the Community system and the powers conferred on them. The treaties themselves are the subject of direct negotiations between the governments of the Member States, after which they have to be ratified in accordance with the procedures applying at national level (in principle by the national parliaments or by referendum).

Treaties

Includes Treaty Establishing the European Atomic Energy Community, Treaty establishing the European Coal and Steel Community, Treaty establishing the European Community, and Treaty on European Union.

Major Treaties

Treaty establishing the European Coal and Steel Community (1951)

Treaties of Rome (EEC and EURATOM treaties) (1957)

Merger Treaty (Brussels Treaty) (1965)

Single European Act (1986)

Treaty on European Union (Maastricht Treaty) (1992)

Treaty of Amsterdam (1997)

Treaty of Nice (2001)

Treaty of Lisbon (2007)

Legal Citations

  • Treaty Establishing the European Coal and Steel Community (1951) (often referred to as the E.C.S.C. Treaty), 261 U.N.T.S. 140
  • Treaty Establishing the European Atomic Energy Community (1957) (often referred to as the Euratom Treaty), 298 U.N.T.S. 167
  • Treaty Establishing the European Economic Community (1957) (often referred to as the Treaty of Rome or the E.E.C. Treaty), 298 U.N.T.S. 11
  • Treaty Establishing a Single Council and a Single Commission of the European Communities (1965) (often referred to as the Merger Treaty), 1965 J.O. (152) 1
  • Single European Act (1986), 1987 O.J. (L 169) 1
  • Treaty on European Union (1992) (consolidated version), 2012 O.J. C326/13
  • Treaty of Amsterdam (1997), 1997 O.J. C340/1
  • Treaty of Nice (2001), 2001 O.J. (C 80) 1
  • Treaty of Lisbon (2007), 2007 O.J. (C306) 1
  • Treaty on the Functioning of the European Union (2007) (consolidated version), 2012 O.J. C326/47