This resolution calls on the United Kingdom, France, and Germany (E3) to initiate the snapback of sanctions on Iran under United Nations Security Council Resolution 2231 (2015). It highlights Iran's repeated violations of the Joint Comprehensive Plan of Action (JCPOA) and UNSCR 2231, including lifting uranium stockpile caps, increasing enrichment activities, and preventing effective International Atomic Energy Agency (IAEA) monitoring. The resolution notes that Iran used previous sanctions relief to fund terrorist proxies and expand its ballistic missile program. The resolution emphasizes that UNSCR 2231 includes a formal mechanism for a participant state to trigger the re-imposition of all United Nations sanctions on Iran if there is significant non-performance of commitments. It points out that the E3 have previously acknowledged Iran's advanced nuclear program and have stated their readiness to use the snapback mechanism if necessary. The Director General of the IAEA has also reported a significant increase in Iran's production of 60 percent enriched uranium. Given that the snapback mechanism terminates on October 18, 2025, the Senate urges the E3 to invoke it as soon as possible. The resolution condemns Iran's flagrant violations and the role of Russia and China in supporting Iran's malign activities, while reaffirming the U.S. government's right to take necessary measures to prevent Iran from acquiring nuclear weapons.