Primacy and Supranationality of the EU Law according to Primary and Secondary Law

The courts of EU member states which were born with the Rome Treaty, 1957 are under obligations of the execution of both national and EU Community Law. Because of this reason there are some conflicts between these two law systems. Moreover, to solve this problem there aren't any open arrangements in the EU Constitutional Law. EU that try to overcome the resulting problem by insisting case law applications sometimes come across with difficulties. The aim of this paper to find solutions to the efforts of member states for tackling the problem of primacy and supranationality by taking care of primary and secondary resources of EU law in the coming days.