EU official documents:

 Official website the EU official publications Office

For an access to the entire EU official documents:

 Europa - Official website of the European Union

 Europa / Topics - Topics of the European Union

 Eurlex - European Union Law official website

Selection of EU official documents:

Since the 1st of December 2009, when the Lisbon Treaty came into force, the « Treaty instituting the European Community » was replaced by the « Treaty on the Functioning of the European Union ».

The articles, sections, chapters, titles and other parties of the Treaty on the European Union and the Treaty on the Functioning of the European Union are renumbered.

Treaties in force since 2009, modified in 2012:

 Treaty on European Union (JO n° C 326, 26.10.2012)

 Treaty on the Functioning of the European Union (JO n° C 326, 26.10.2012)

 Protocols et Annexes to the Lisbon Treaty (JO n° C 326, 26.10.2012)

EU Charter of Fundamental Rights (JO n° C 326, 26.10.2012)