In 1999 the co-decision procedure was extended and made more effective by the Amsterdam Treaty. Under the Lisbon Treaty that took effect on 1 December 2009 it was renamed the ordinary legislative procedureand made into the main way of creating new European laws.
The co-decision procedure entered into force on 1 November 1993. To mark 20 years of co-decision, a conference will be held at the Parliament on 5 November. It will be dedicated to the EP's increasing powers under the Treaty of Lisbon and what this means for the future. The conference will be opened by EP president Martin Schulz and Gianni Pittella, the vice-president responsible for conciliation,
REF. : 20131030STO23405