Case C-114/12: Judgment of the Court (Grand Chamber) of 4 September 2014 — European Commission v Council of the European Union (Action for annulment — External action of the European Union — International agreements — Protection of neighbouring rights of broadcasting organisations — Negotiations for a Convention of the Council of Europe — Decision of the Council and the Representatives of the Governments of the Member States authorising the joint participation of the Union and its Member States in the negotiations — Article 3(2) TFEU — Exclusive external competence of the Union)