The president is elected by popular vote for a four-year term. The Assembly of Experts appoints the leader of the Islamic Revolution. Members of the Islamic Consultative Assembly are elected by majority vote in two rounds. A candidate must win at least one third of the votes cast to be elected in the first round, and a simple majority in the second round.
All members serve four-year terms.
The Islamic Consultative Assembly elects six members to the Council of Guardians and an additional six are appointed by the president. The Council of Guardians is responsible for assuring that legislation passed is compatible with Islam. They also supervise elections for the Assembly of Experts, the president and the parliament. The Council of Guardians must approve the eligibility of all candidates. Of the 814 applications received, the Council approved ten, including the incumbent president.