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"I actually have a pretty good collection of Arms Control Today, which I have read throughout my career. It's one of the few really serious publications on arms control issues."
– Gary Samore
Former White House Coordinator for Arms Control and WMD Terrorism
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.


  • The P5+1 and Iran Nuclear Deal Alert, April 25, 2018
    April 25, 2018
    As time winds down to the May 12 deadline President Trump set for negotiating a “fix” to the nuclear deal with Iran, Washington’s P5+1 partners are warning Washington of the consequences if the deal collapses.
  • The P5+1 and Iran Nuclear Deal Alert, March 22, 2018
    March 22, 2018
    The JCPOA Joint Commission met for its first full meeting since Trump's threat to pull out of the deal unless so-called “flaws” are corrected. Director General Yukiya Amano reports that the IAEA has access to all needed locations. Russia vetoed a resolution condemning Iran for failing to implement an arms embargo on Yemen, and more in this issue.
  • The P5+1 and Iran Nuclear Deal Alert, February 5, 2017
    February 5, 2018
    U.S. and E3 officials discussed Iran’s ballistic missile program and Trump's demand for a “supplemental” agreement. Security Council members visited Washington to discuss purported Iranian noncompliance with Council resolutions. The International Crisis Group released survey data from multinational companies pursuing business opportunities with Iran, and more in this issue.
  • The P5+1 and Iran Nuclear Deal Alert, December 11, 2017
    December 11, 2017
    Mogherini and Tillerson discussed the EU's continued support for the JCPOA ahead of several key dates. Ayatollah Ali Khamenei reiterated that Iran would not develop ballistic missiles with a range exceeding 2,000 kilometers. The IAEA’s most recent quarterly report on Iran’s nuclear activities point toward Tehran’s compliance with the JCPOA, and more in this issue.
  • The P5+1 and Iran Nuclear Deal Alert, October 20, 2017
    October 20, 2017
    Trump’s “decertification” decision, rejected by our P5+1 partners, sets up Washington to violate the nuclear deal. Senator Bob Corker outlined a legislative framework for "fixing" the deal, while many other members of Congress relayed support for the agreement. 25 former foreign ministers urged Congress to uphold the agreement and avoid attempts to renegotiate it.

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