Treaty of Lisbon

Treaty of Lisbon Ssolbergj of the English Wikipedia., Public domain

Treaty modifying the constitutional basis of the European Union, signed by all the States of the Union in Lisbon on 2007

The Treaty of Lisbon is a European agreement that amends the two treaties which form the constitutional basis of the European Union (EU). The Treaty of Lisbon, which was signed by all EU member states on 13 December 2007, entered into force on 1 December 2009. It amends the Maastricht Treaty (1992), known in updated form as the Treaty on European Union (2007) or TEU, as well as the Treaty of Rome (1957), known in updated form as the Treaty on the Functioning of the European Union (2007) or TFEU. It also amends the attached treaty protocols as well as the Treaty establishing the European Atomic Energy Community (EURATOM).

Also known as...Lisbon Treaty, Reform Treaty, and Treaty of Lisbon amending the Treaty on European Union and the Treaty establishing the European Community