2-3 December 1979; revised in 1989
note: the revision in 1989 expanded powers of the presidency and eliminated the prime ministership
Legal system:
based on sharia law system; has not accepted compulsory ICJ jurisdiction
Suffrage:
18 years of age; universal
Executive branch:
chief of state: Supreme Leader Ali Hoseini-KHAMENEI (since 4 June 1989)
head of government: President Mahmud AHMADI-NEJAD (since 3 August 2005); First Vice President Mohammad Reza RAHIMI (since 13 September 2009)
cabinet: Council of Ministers selected by the president with legislative approval; the Supreme Leader has some control over appointments to the more sensitive ministries (For more information visit the World Leaders website ) note: also considered part of the Executive branch of government are three oversight bodies: 1) Assembly of Experts (Majles-Khebregan), a popularly elected body charged with determining the succession of the Supreme Leader, reviewing his performance, and deposing him if deemed necessary; 2) Expediency Council or the Council for the Discernment of Expediency (Majma-e-Tashkhis-e-Maslahat-e-Nezam) exerts supervisory authority over the executive, judicial, and legislative branches and resolves legislative issues on which the Majles and the Council of Guardians disagree and since 1989 has been used to advise national religious leaders on matters of national policy; in 2005 the Council's powers were expanded to act as a supervisory body for the government; 3) Council of Guardians of the Constitution or Council of Guardians or Guardians Council (Shora-ye Negban-e Qanon-e Asassi) determines whether proposed legislation is both constitutional and faithful to Islamic law, vets candidates in popular elections for suitability, and supervises national elections