Article 121

The President must take the following oath and affix his signature to it at a session of the Islamic Consultative Assembly in the presence of the head of the judicial power and the members of the Guardian Council:
In, the Name of God, the Compassionate, the Merciful, I, as President, swear, in the presence of the Noble Qur'an and the people of Iran, by God, the Exalted and Almighty, that I will guard the official religion of the country, the order of the Islamic Republic and the Constitution of the country; that I will devote all my capacities and abilities to the fulfillment of the responsibilities that I have assumed; that I will dedicate myself to the service of the people, the honor of the country, the propagation of religion and morality, and the support of truth and justice, refraining from every kind of arbitrary behavior; that I will protect the freedom and dignity of all citizens and the rights that the Constitution has accorded the people; that in guarding the frontiers and the political, economic, and cultural independence of the country I will not shirk any necessary measure; that, seeking help from God and following the Prophet of Islam and the infallible Imams (peace be upon them), I will guard, as a pious and selfless trustee, the authority vested in me by the people as a sacred trust, and transfer it to whomever the people may elect after me.