The Legitimacy Source of the Islamic Republic of Iran “Vilayet-i Faqih”

This study examines the sovereignty understanding of the Islamic Republic of Iran after the revolution. The sovereignty and legitimacy understanding of the Islamic Republic which was established aftermath the revolution is based on Khomeini’s vilayat-i faqih theory. The core of Shi’te Islamic discourse has shifted by Khomeini’s religious theory. The theory that against the traditional Shi’te political thought ratified by the wish and political struggle of Khomeini. In the new constitution, religion was the sole source of legatimacy and sovereignty. The Vilayat-i faqih has become the highest rank as a religious and political post in the Islamic Republic of Iran. The Vilayat-i faqih is offically head of state in Iran. It is superior to the legislative, executive and juridiciary. The highest civil and military ranks assigned by him.