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This fact was correct when it was updated on 22 Sep 2020

What is the Lisbon Treaty?

The Lisbon Treaty (2007) was the culmination of a long process to rationalise the existing treaties. It led to two treaties – the Treaty on European Union and the Treaty on the Functioning of the European Union. The Treaty on European Union sets out the EU Institutions and the Common Foreign and Security Policy. The Treaty on the Functioning of the European Union sets out all the other policies of the EU, the legislative procedures to be adopted and details the powers of the different Institutions. Probably the biggest winners from the Lisbon Treaty were parliaments. The European Parliament acquired significant new powers through the extension of the ordinary legislative procedure. Groups of national parliaments also secured the power to require the Commission and, in some instances, the other EU Institutions to reconsider legislative initiatives.

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