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Treaties

From this page you can access the basic legal texts on which the European Union and the European Communities are founded: the founding Treaties (original versions and later updatings), the amending Treaties, the Accession Treaties for each of the six enlargements, plus other essential documents.

Founding treaties
Accession treaties
Other treaties and protocols


  • Consolidated versions of the Treaty on European Union and the Treaty on the Functioning of the European Union
    Official Journal C 83 of 30.3.2010

  • Charter of Fundamental Rights of the European Union
    Official Journal C 83 of 30.3.2010

  • Consolidated version of the Treaty establishing the European Atomic Energy Community
    Official Journal C 84 of 30.3.2010

  • Treaty of Lisbon amending the Treaty on European Union and the Treaty establishing the European Community, signed at Lisbon, 13 December 2007
    Official Journal C 306 of 17 December 2007

    • Treaty on European Union
    • Treaty on the Functioning of the European Union

  • From 1st December 2009 date of entry into force of the Lisbon Treaty:

    The title of the ‘Treaty establishing the European Community’ is replaced by ‘Treaty on the Functioning of the European Union (Treaty of Lisbon article 2§1)

    Articles, sections, chapters, titles and parts of the Treaty on European Union and of the Treaty on the Functioning of the European Union are renumbered (Treaty of Lisbon article 5 and Annex)

    Tables of equivalences:

    Official Journal C 83 of 30.3.2010


Founding treaties


Consolidated versions

  • Consolidated versions of the Treaty on European Union and the Treaty on the Functioning of the European Union
    Official Journal C 83 of 30.3.2010

  • Consolidated version of the Treaty establishing the European Atomic Energy Community
    Official Journal C 84 of 30.3.2010

  • Consolidated versions of the Treaty on European Union and the Treaty on the Functioning of the European Union
    Official Journal C 115 of 9 May 2008

  • EUROPEAN UNION — CONSOLIDATED VERSIONS OF THE TREATY ON EUROPEAN UNION AND OF THE TREATY ESTABLISHING THE EUROPEAN COMMUNITY (consolidated text)
    Official Journal C 321E of 29 December 2006

  • Treaty establishing the European Community (consolidated text)
    Official Journal C 325 of 24 December 2002

  • Treaty on European Union (consolidated text)
    Official Journal C 325 of 24 December 2002

  • Treaty establishing the European Community (Consolidated version 1997)
    Official Journal C 340 of 10 November 1997

  • Treaty on European Union (Consolidated version 1997)
    Official Journal C 340 of 10 November 1997

  • Treaty establishing the European Atomic Energy Community (Non-official consolidated version 1996)
  • Treaty establishing the European Community (Consolidated version 1992)
    Official Journal C 224 of 31 August 1992


Accession treaties

  • Documents concerning the accession of the Republic of Bulgaria and Romania to the European Union (2005)
    Official Journal L 157 of 21 June 2005

  • Accession of the Czech Republic, Estonia, Cyprus, Latvia, Lithuania, Hungary, Malta, Poland, Slovenia and Slovakia (2003)
    Official Journal L 236 of 23 September 2003

  • Appendices to Annexes IV, V, VII, VIII, IX, X, XI, XII, XIII and XIV of the Act concerning the conditions of accession of the Czech Republic, Estonia, Cyprus, Latvia, Lithuania, Hungary, Malta, Poland, Slovenia and Slovakia
    Official Journal C 227 E of 23 September 2003

  • Accession of Austria, Finland and Sweden (1994)
    Official Journal C 241 of 29 August 1994

  • Accession of Austria, Finland and Sweden (Adaptation decision 1995)
    Official Journal L 1 of 1 January 1995

  • Accession of Spain and Portugal (1985)
    Official Journal L 302 of 15 November 1985

  • Accession of Greece (1979)
    Official Journal L 291 of 19 November 1979

  • Accession of Denmark, Ireland and the United Kingdom (1972) * Not available in English
    Official Journal L 73 of 27 March 1972

  • Accession of Denmark, Ireland and the United Kingdom (Adaptation decision 1973)
    Official Journal L 2 of 1 January 1973


Other treaties and protocols

  • Charter of Fundamental Rights of the European Union
    Official Journal C 83 of 30.3.2010

  • Treaty of Lisbon amending the Treaty on European Union and the Treaty establishing the European Community, signed at Lisbon, 13 December 2007
    Official Journal C 306 of 17 December 2007

    • Corrigenda – Procès-verbal of rectification to the Treaty of Lisbon amending the Treaty on European Union and the Treaty establishing the European Community, signed at Lisbon on 13 December 2007
      Official Journal C 290 of 30 November 2009

  • Charter of Fundamental Rights of the European Union
    Official Journal C 303 of 14 December 2007

  • Treaty establishing a Constitution for Europe
    Official Journal C 310 of 16 December 2004

  • Treaty of Nice
    Official Journal C 80 of 10 March 2001

  • Treaty of Amsterdam
    Official Journal C 340 of 10 November 1997

  • Single European Act (1986)
    Official Journal L 169 of 29 June 1987

  • Greenland Treaty (1984)
    Official Journal L 29 of 1 February 1985

  • Protocol on the Statute of the European Investment Bank (1975)
    Official Journal L 91 of 6 April 1978

  • Treaty amending certain financial provisions (1975)
    Official Journal L 359 of 31 December 1977

  • Treaty amending certain budgetary provisions (1970) * Not available in English
    Official Journal L 2 of 2 January 1971

  • Merger Treaty (1965) * Not available in English
    Official Journal 152 of 13 July 1967

  • Protocol (No 36) on the privileges and immunities of the European Communities (1965)
    Official Journal C 321E, 29.12.2006

  • Protocol on the Netherlands Antilles (1962) * Not available in English
    Official Journal 150 of 1 October 1964

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