Role of different types of arbitration in determination of applicable law

In the present article types of arbitration (national, domestic and international) will be examined regarding the determination of applicable law. Whereas having a trend in arbitration voluntarily a decisive point, so it shall be considered in determination of applicable law and in cases that there is silence in this regard any way, and/or the parties have made no choice on applicable law, different methods such as Conflict of Laws Rules of venue, Autonomy of Arbitrator and place which legal relationship takes place method and also the method of International Law have been provided. In this field Doctrine and law of some countries also will be analyzed and finally conclusion will be made.