The Court of Justice Practice as a Source of the EU Law

This article presents the Court of Justice of the EU particular judgements in different categories of cases. It was considered that practice of the Court refers to the sources of the EU law, it is mandatory for using by national courts of the Member States. Also, the court precedents should be taken into account by states which are planning to get a membership in the EU, including Ukraine. The Court of Justice unified the approach to introduction of the EU law provisions to national law of the Member States. The Court defined in the judgement in Case 9/65 San Michel ECR that provisions’ reception doesn’t lead to their transformation into national law. So that they must be used by national courts not as the national law, but as the EU law. This position was recognized by national courts. Moreover, countries which joined the Union for next years took into account the necessity of providing such conditions for realization of EU law rules in their territory which come out of recognition that EU law legal order with its primacy and direct effect has autonomous nature. The prevailing majority of the Member States for provision of EU law action in their territory changed the national constitutions (such countries as Greece, Poland, Hungary, Bulgaria, Romania, Cyprus, Portugal, Austria, Spain, Sweden, the Czech Republic, Estonia, Slovakia, Slovenia). It was done by including relevant rules about delegation of authority, primacy and direct effect of the EU law.