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Treaties of the European Union

EU legislation: Treaties of the European Union

Treaty of Lisbon 09 March 2010, 16:25 CET
Treaty of Lisbon amending the Treaty on European Union and the Treaty establishing the European Community, signed at Lisbon, 13 December 2007 - Official Journal of the European Union

Treaties of the European Union 02 November 2009, 12:46 CET
From this page on EUR-Lex 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.

The Treaty establishing the European Coal and Steel Community (in the version predating the Treaty of Amsterdam) 02 November 2009, 12:46 CET
The Treaty establishing the European Coal and Steel Community (in the version pre-dating the Treaty of Amsterdam) (tif format)

The Treaty establishing the European Atomic Energy Community (in the version predating the Treaty of Amsterdam) 02 November 2009, 12:46 CET
The Treaty establishing the European Atomic Energy Community (in the version pre-dating the Treaty of Amsterdam) (tif format)

The Treaty establishing the European Community (as amended by the Treaty of Amsterdam) 02 November 2009, 12:46 CET
The Treaty establishing the European Community (as amended by the Treaty of Amsterdam) [pdf, 488Kb]

The Treaty on European Union (as amended by the Treaty of Amsterdam) 02 November 2009, 12:46 CET
The Treaty on European Union (as amended by the Treaty of Amsterdam), consolidated version [pdf, 203Kb]

Treaties of the European Union 02 November 2009, 12:46 CET
EU legislation: Treaties of the European Union

Treaty of Nice 02 November 2009, 12:46 CET
The Treaty on European Union and the Treaty establishing the European Community as in force from 1 February 2003 (Nice consolidated versions) (pdf, 578Kb]

A Constitution for Europe 02 November 2009, 12:46 CET
Treaty establishing a Constitution for Europe - Official Journal of the European Union