An investigation into the juridical structure of Seljuq's state

In the study of the juridical order of Seljuqs state, there were two types of law courts base on of their duties and functions can be recognized: the Supreme Court (divan-i mazalim) and the ecclesiastical courts (mahkame-i shar'). The Supreme Court was administrated by Sultan, and his governors of provinces, whereas the ecclesiastical courts were managed by the clergy. The ecclesiastical courts investigate all disputes and complaints brought in by ordinary people. Supreme Court’s responsibility was to run the political and administrative complaints of officers and governors. The origin of Supreme Court has rooted in the ancient Iranian customs, and the Islamic customs were the origin of the ecclesiastical courts.