"All involved parties did their utmost to play down the importance of the Lisbon Treaty in attempt to prevent the reignition of earlier debates. In fact, the Treaty of Lisbon was widely presented as a step backward compared to the overly ambitious constitutional treaty. This “cover-up,” however, cannot hide that the institutional changes brought about by Lisbon are quite significant. In particular, the changes to the legislative procedure and legal instruments of the Union are significant and major" (Quoted from Paper)