United Nations Security Council Resolution 2231 was a 20 July 2015 resolution endorsing the Joint Comprehensive Plan of Action on the nuclear program of Iran. It sets out an inspection process and schedule while also preparing for the removal of United Nations sanctions against Iran. The 15 nations on the Security Council unanimously endorsed the resolution, which had been negotiated by the permanent members of the United Nations Security Council—China, France, Russia, the United Kingdom, and the United States—plus Germany, the European Union, and Iran.