The responsibilities of the council are defined by the constitution as: • Determining the defense and national security policies of the country within the framework of general policies determined by the Supreme Leader. • Coordination of political activities, intelligence, social, cultural and economic fields relating to general policies of defense and national security. • Exploitation of material and intellectual resources of the country for facing the internal and external threats.
Nuclear policy Supreme National Security Council formulates the country's nuclear policy. The nuclear policies formulated by the council would become effective if they are confirmed by the Supreme Leader. The secretary of the Supreme council was the chief nuclear negotiator of Iran until 5 September 2013 when responsibility for nuclear talks was assigned to
the ministry of foreign affairs. ==Composition==