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"The Arms Control Association’s work is an important resource to legislators and policymakers when contemplating a new policy direction or decision."

– General John Shalikashvili
former Chairman of the Joint Chiefs of Staff
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 Raises Safeguards Questions | P4+1 and Iran Nuclear Deal Alert, March 18, 2020
    March 17, 2020
    The IAEA released two new reports detailing Iran’s implementation of its broad and JCPOA-specific safeguards agreements with the Agency, indicating that Iran has not taken further steps to breach the nuclear deal. The members of the governing JCPOA Joint Commission met in Vienna in an attempt to salvage the deal, and a trade channel opened to facilitate necessary humanitarian trade with Iran.
  • IAEA Head Notes No New Breaches by Iran | The 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 | The 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 | The 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 | The 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.

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