Judgment of the Court (Fourth Chamber) of 16 April 2015 Judgment of the Court (Fourth Chamber) of 16 April 2015.#European Parliament v Council of the European Union.#Action for annulment — Police and judicial cooperation in criminal matters — New psychoactive substance subjected to control measures — Determination of legal basis — Legal framework applicable following the entry into force of the Treaty of Lisbon — Transitional provisions — Secondary legal basis — Consultation of Parliament.#Joined Cases C-317/13 and C-679/13.