The article presents the historical and comparative legal analysis of the first Constitution of Iran. The article deals with the issues of constitutional and legal consolidation of basic civil liberties in the stratum with the predominance of traditional Islamic law.

The Constitution and domestic legislation of the Islamic Republic of Iran is distinguished by its specific attitude not only to the norms of Muslim law, but also to the provisions of international law. The Constitution of Iran recognizes the undoubted priority of Muslim law over the norms of not only domestic legislative acts adopted by the Majlis of the country, but also the Constitution of the Islamic Republic of Iran. At the same time, the norms of international law are equated by the Iranian legislator with the norms of domestic law. The legal conflicts between international law and the legal provisions of Muslim law and the Constitution of Iran arising in connection with this legal position of the spiritual and secular authorities of Iran have become the content of this article.