The United Nations Security Council holds a meeting on Iran at UN headquarters in New York, U.S., September 19, 2025. /VCGThe United Nations Security Council on Friday failed to adopt a resolution that would have continued to provide sanctions relief for Iran under the 2015 Iran nuclear deal. Under Resolution 2231, UN sanctions in place before the adoption of the resolution would resume 30 days after the notification, unless the Security Council adopts a resolution to decide otherwise. Resolution 2231 expires on October 18, 2025, after which the Security Council would no longer consider the Iran nuclear deal. The remaining nine Security Council members voted against it.