5 Part D Sources of European law
5.1 EU law
The main sources of EU law are:
EU primary legislation, represented by the treaties
EU secondary legislation, in the form of regulations, directives, decisions, recommendations and opinions
rulings on cases brought before the European Court of Justice.
EU law is created by the legislative powers with which the EU member states have invested the EU institutions. The law created by EU institutions is also binding on all EU member states (Article 10 EC) who must: ‘take all appropriate measures, whether general or particular, to ensure fulfilment of the obligations arising out of this Treaty …’