one of the most important issues surrounding COURTS, which are established as a result of the international community's participation with the legal and judicial system of country where the international crimes are committed and in order to be more effective against impunity of international offenders, is their relationship and co-existence with the International CRIMINAL Court, on the one hand, and the national COURTS of the countries where crimes are committed. Undoubtedly, the systematic co-existence of these institutions and O Abstracts 263 their mutual influence on each other leads to the development of the local and international judicial system. In this co-existence, the hybrid mechanism of CRIMINAL procedure can be achieved by removing the gaps in international and domestic CRIMINAL justice, not as an alternative, but as an appropriate complement to the International CRIMINAL Court and national COURTS to countering impunity for international crimes and serious human rights violations. uch a mechanism moves towards balancing the two fundamental principles of international law: the international commitment to ending the impunity of international crime and the need to respect the sovereignty of states.