Treaty of Nice amending the Treaty on European Union, the Treaties establishing the European Communities and certain related acts | |
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Type | Amender of previous treaties |
Drafted | 11 December 2000 |
Signed | 26 February 2001 |
Location | Nice, France |
Effective | 1 February 2003 |
Signatories | |
Citations | Prior amendment treaty: Amsterdam Treaty (1997) Subsequent amendment treaty: Lisbon Treaty (2007) |
Languages | |
Full text | |
Treaty of Nice at Wikisource | |
After amendments made by the Nice Treaty: Consolidated version of EURATOM treaty (2001) Consolidated version of TECSC (2001) -expired 2002 Consolidated version of TEC and TEU (2001) |
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The Treaty of Nice was signed by European leaders on 26 February 2001 and came into force on 1 February 2003.
It amended the Maastricht Treaty (or the Treaty on European Union) and the Treaty of Rome (or the Treaty establishing the European Community which, before the Maastricht Treaty, was the Treaty establishing the European Economic Community). The Treaty of Nice reformed the institutional structure of the European Union to withstand eastward expansion, a task which was originally intended to have been done by the Amsterdam Treaty, but failed to be addressed at the time.
The entry into force of the treaty was in doubt for a time, after its initial rejection by Irish voters in a referendum in June 2001. This referendum result was reversed in a subsequent referendum held a little over a year later.