Realization of the right of defense in light of the concept of good administration: comparative study of the legal system of Iran and European Union

implementation of the right of defence in the modern administrative law is very important. As widely recognized in the world's Important legal systems. The object of this paper is to determine the conditions of this right and Then, to compare its situation in European Union and Iran's legal system. the conditions of this right are hearing, access to file and Knowledge of the reasons of the Administrative decisions. These are the fundamental right of citizenship and component of characteristics of good administration in the Europe Union legislation and jurisprudence. In the legal system of Iran these conditions are in some of the laws and jurisprudence of Administrative Justice Court, But it is not in general and prevail over all administrative decisions.So the recognition of the right to defense and it´s the conditions by legislator is necessary.