The Treaty of Lisbon formally recognises the European Council as an EU institution, responsible for providing the Union with the ‘impetus necessary for its development’ and for defining its ‘general political directions and priorities’. The European Council has no legislative functions.
The Treaty of Lisbon (initially known as the Reform Treaty) is an international agreement that amends the two treaties which form the constitutional basis of the European Union (EU). The Treaty of Lisbon, which was signed by the EU member states on 13 December 2007, entered into force on 1 December 2009. 
- 18 December 2007
- Amends existing treaties, (EURATOM, TFEU and TEU)
- 13 December 2007
- Lisbon, Portugal
The Lisbon treaty, which came in force in late 2009, brought new law-making powers to the European Parliament and put it on an equal footing with the Council of Ministers in deciding what the EU does and how money is spent. It also changed the way the Parliament works with other institutions and gave MEPs more influence on who runs the EU.
this Treaty and of the Treaty on the Functioning of the European Union, RESOLVED to continue the process of creating an ever closer union among the peoples of Europe, in which decisions are taken as closely as possible to the citizen in accordance with the principle of subsidiarity,
21 feb 1995 · The principle of subsidiarity applies to all the EU institutions and has practical significance for legislative procedures in particular. The Lisbon Treaty has strengthened the role of both the national parliaments and the Court of Justice in monitoring compliance with the principle of subsidiarity.
Treaty of Lisbon amending the Treaty on European Union and the Treaty establishing the European Community, signed at Lisbon, 13 December 2007. 1. AMENDMENTS TO THE TREATY ON EUROPEAN UNION AND TO THE TREATY ESTABLISHING THE EUROPEAN COMMUNITY. 10. Article 1. 10. Article 2. 42. FINAL PROVISIONS. 134. Article 3. 134. Article 4. 134. Article 5 ...