Treaty of Amsterdam 

Group photo.
Signing of the 1997 Amsterdam Treaty 2nd October 1997

An IGC was opened inTurin (Italy) in March 1996 for the purpose of revising the Treaty on European Union. The subsequent Treaty of Amsterdam amending the EU Treaty, the Treaties establishing the European Communities and certain related acts was signed in the presence of the President of the European Parliament, José María Gil-Robles.

With its entry into force in May 1999, the codecision procedure was simplified and broadened in scope. Parliament now had the right to approve the Commission President.

  • Signed in: Amsterdam (The Netherlands) 2nd October 1997
  • Entry into force: 1 May 1999