Iran: Resolution 2231 has expired and the last meeting has no legal basis The representative of the Islamic Republic of Iran at the UN Security Council meeting: The holding of this meeting has no legal and valid basis, and we reject it completely. Resolution 2231 expired on October 18, 2025, and from that date, this issue has no legal effect. The Security Council has become passive and silent in the face of military aggression and anti-diplomatic measures against Iran's nuclear facilities.