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I salute the Arms Control Association … for its keen vision of the goals ahead and for its many efforts to identify and to promote practical measures that are so vitally needed to achieve them. -

– Amb. Nobuyasu Abe
Former UN Undersecretary General for Disarmament Affairs
January 28, 2004
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.


  • IAEA Head Notes No New Breaches by Iran | P4+1 and Iran Nuclear Deal Alert
    February 13, 2020
    Iran has taken no additional steps to violate the JCPOA after announcing its fifth breach earlier this year, the IAEA head reports. Despite triggering the deal’s dispute resolution mechanism, Europe remains committed to preserving the agreement and will continue to push back against Washington’s pressure to abandon the accord, according to the EU foreign policy chief.
  • Iran Announces New Nuclear Deal Breach | P4+1 and Iran Nuclear Deal Alert
    January 9, 2020
    Iran announced its fifth breach of the JCPOA on Jan. 5 but stated it would continue to cooperate fully with the IAEA. Iran did not withdraw from the 2015 nuclear deal and remains party to the NPT. In response to the violation, European members of the JCPOA threatened again to trigger the dispute resolution mechanism, which could incur a snapback of UN sanctions lifted under the deal, but Russia and China appear less concerned.
  • New IAEA Report Details Iran’s Retaliatory Moves | P4+1 and Iran Nuclear Deal Alert EXTRA
    November 13, 2019
    A special issue reporting on the details of the November 11, 2019, IAEA report.
  • Iran Announces New Nuclear Violation | P4+1 and Iran Nuclear Deal Alert
    November 7, 2019
    In Iran's most recent breach of the JCPOA, President Hassan Rouhani directed technicians to feed UF6 into centrifuges at the Fordow facility, which is intended to be converted to a research and medical isotope facility, and the U.S. renewed sanctions waivers to allow for continued nonproliferation projects at Fordow and elsewhere, but it is unclear whether the sanctions waiver for Fordow will be revoked.
  • French Proposal on Hold as Tensions Mount | P4+1 and Iran Nuclear Deal Alert
    September 24, 2019
    Iran has threatened a third breach of limits imposed on its nuclear program by the JCPOA, and a recent IAEA report poses questions about Tehran’s cooperation with the Agency’s safeguards inspections. European efforts to salvage the Iran Deal have come to a standstill. Complicating matters further, the United States and the E3 have blamed Iran for a September attack on a Saudi Arabian oil refinery.

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