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"Though we have acheived progress, our work is not over. That is why I support the mission of the Arms Control Association. It is, quite simply, the most effective and important organization working in the field today." 

– Larry Weiler
Former U.S.-Russian arms control negotiator
August 7, 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.


  • EU Makes Final Push on Iran Nuclear Deal
    July 28, 2022

    The European Union is making one last push to restore U.S. and Iranian compliance with the 2015 nuclear deal, as Iran's nuclear program continues to advance.

  • Deadline Set for Restoring the Iran Nuclear Deal?
    June 16, 2022

    Iran's disconnected cameras monitoring its nuclear program in retaliation for a resolution from the International Atomic Energy Agency Board of Governors censuring Tehran for failing to cooperate with a years-long investigation into undeclared nuclear materials. The reduction in monitoring risks closing the window on efforts to restore the 2015 nuclear deal.

  • EU Attempts To Save Iran Negotiations
    May 20, 2022

    EU negotiators traveled to Tehran to try and restart stalled negotiations over restoring U.S. and Iranian compliance with the 2015 nuclear deal, as the International Atomic Energy Agency reported that Iran's nuclear program continues to grow.

  • Iran Talks Enter Critical Phase
    January 19, 2022

    Talks to restore the 2015 nuclear deal are ongoing, and have entered a critical phase. Amid talks, Iran tested a satellite launch vehicle and imposed sanctions on 51 Americans, raising tensions. The United States offered South Korea a specific license to trade with an Iranian entity, bypassing U.S. sanctions.

  • Iran Plays Hardball in Vienna
    December 9, 2021

    Negotiations to restore the 2015 nuclear deal with Iran resumed in Vienna, but Iran's hardline approach raised concerns about the prospects for success. Iran continues to stonewall IAEA efforts to clarify its safeguards declaration and ensure continuity of knowledge at the Karaj centrifuge component manufacturing facility.

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