Treaty of Nice 

The Treaty of Nice amending the EU Treaty, the Treaties establishing the European Communities and certain related acts was signed in the presence of the European Parliament President, Nicole Fontaine. The aim of the Treaty of Nice was to reform the institutional structure of the European Union to with stand the challenges of the new enlargement. With the Treaty of Nice, Parliament's legislative and supervisory powers are increased and qualified-majority voting is extended to more areas within the Council.

• Signed in: Nice (France) 26 February 2001
• Entry into force: 1 February 2003

Charter of Fundamental Rights of the European Union

The Charter of fundamental rights was signed by the Presidents of the European Parliament, the Commission and the Council at the Nice European Council.

• Signed in: Nice (France) 7 December 2000 and slightly modified on 12 December 2007 in Strasbourg (France)
• Entry into force: As part of the Treaty of Lisbon (and previously, part of the unsuccessful Draft Treaty establishing a Constitution for Europe), the Charter will become legally binding once the Treaty of Lisbon enters into force.