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"[Arms Control Today] has become indispensable! I think it is the combination of the critical period we are in and the quality of the product. I found myself reading the May issue from cover to cover."

– Frank von Hippel
Co-Director of Program on Science and Global Security, Princeton University
June 1, 2018
The P4+1 and Iran Nuclear Deal Alert

Flags of the Iran Deal Negotiating Partners

Periodic alerts providing news and analysis on the negotiations and implementation of the Joint Comprehensive Plan of Action between the P5+1 (China, Germany, France, Russia, the United Kingdom, and the United States) and Iran over the latter's nuclear program. To receive these by email, subscribe to our regular updates list.


  • Iran Passes Nuclear Law
    December 10, 2020
    Iran's parliament and Guardian Council passed legislation requiring Iran to significantly rachet up its nuclear activities in 60 days. That legislation passed the same day that Iran informed the IAEA of its intention to install new advanced centrifuges at the Natanz enrichment facility, marking a further violation of the nuclear deal and increasing pressure on President-elect Biden to restore U.S. diplomacy with Iran and compliance with the JCPOA.
  • UN Restrictions on Iran’s Arms Trade Expire
    October 28, 2020
    The UN arms embargo on Iran expired on October 18, freeing Iran to buy and sell conventional weapons. The Trump administration imposed a new round of sanctions on Iran, and Iran announced the construction of a new facility at Natanz to replace what was damaged during the July sabotage attack.
  • UN Defies United States on Sanctions Snapback
    September 24, 2020
    The United Nations again dismissed U.S. efforts to reimpose sanctions on Iran that were lifted as a result of the nuclear deal, and Secretary-General Guterres told the Security Council he would not take steps to implement those measures. Amid U.S. efforts to block Iranian arms sales, Iran announced two new missiles and Iranian President Rouhani criticized the U.S. sanctions regime against Iran.
  • Security Council Rejects Iran Arms Embargo Extension
    August 17, 2020
    The UN Security Council rejected a U.S. resolution to extend the UN arms embargo on Iran. Iran demonstrated its new missile capability and Elliot Abrams as named the U.S. Special Envoy for Iran, replacing Brian Hook.
  • Explosion at Natanz Damages Centrifuge Production Building
    July 16, 2020
    An explosion at Iran’s Natanz enrichment facility appears to have impacted the country’s nuclear program, but the IAEA said its safeguards activities at that site were unimpeded. The U.S. continues its push to extend the arms embargo on Iran at the UN Security Council, and Iran’s parliament has approved a plan to halt implementation of the additional protocol to the country’s safeguards agreement with the IAEA.

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