For this reason, the Commission is defined as the “guardian of the treaties” or “watchdog” of the EU. Furthermore, decisions of the Parliament and the Council must be taken on the basis of the proposals put forward by the Commission. Finally, the Court of Justice of the European Union (ECJ) is made up of the Court of Justice, the specialized courts and the General Court, each of the courts having its own jurisdiction and legal staff. Their main role is to ensure the enforcement of public law, to defend individual rights and to issue preliminary rulings as mentioned above. Furthermore, the EU draws its power from the primary sources which are the treaties and from the secondary sources which include recommendations and opinions, decisions, regulations and