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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 Nuclear Talks Head to Sixth Round
    June 7, 2021
    Iran's enriched uranium stockpile continues to grow, according to one of two new IAEA reports. The second details Iran's slow cooperation with the agency's investigation into its pre-2003 nuclear activities. In Vienna, diplomats remain entrenched in discussions toward restoring the nuclear deal.
  • Parties Make Progress on Iran Deal Restoration
    April 21, 2021
    Members of the 2015 nuclear deal with Iran are making progress toward restoring the nuclear agreement, as the United States and Iran both appear committed to returning to compliance with the accord. Negotiations have not been without hiccups, and an act of sabotage on Iran's Natanz facility threatened to derail talks. Iran celebrated its National Nuclear Day April 10.
  • Iran, US Remain Deadlocked on Nuclear Deal
    March 24, 2021
    The United States and Iran remain at a standstill over a mutual return to the JCPOA. As Iran continues to ratchet up its nuclear activities in violation of the deal, members of Congress have sought to undermine the Biden administration's return to diplomacy.
  • Iran, IAEA Stave Off Monitoring Crisis
    February 26, 2021
    Iran and the IAEA reached an interim monitoring agreement days before Iran suspended implementation of the additional protocol to its safeguards agreement. Iran's enriched uranium stockpile continues to grow, according to a new IAEA report. Biden administration officials took certain positive steps indicating a shift in U.S. diplomacy toward Iran.
  • Biden Officials Express Support for Rejoining Iran Nuclear Deal
    January 28, 2021
    Biden officials continue to express their support for U.S. re-entry to the JCPOA, but caution that restoring the agreement may take time. Iran supports the restoration of the deal but is also pursuing steps in further violation of its obligations under the JCPOA in accordance with its December 2020 nuclear law.

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