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.


  • Kelsey Davenport
    June 14, 2023

    The space for negotiations between Washington and Tehran over Iran's advancing nuclear program may be opening up after U.S. and Iranian officials expressed support for reaching an agreement and Iran took limited steps to increase monitoring of its nuclear program.

  • Kelsey Davenport
    March 15, 2023

    Iran agreed to additional monitoring of its nuclear program and to cooperate with the International Atomic Energy Agency's (IAEA) investigation into past activities that Tehran should have declared to the agency. The March 4 agreement between Iran and the IAEA came the agency reported an expansion of Iran's proliferation sensitive activities. 

  • Kelsey Davenport
    February 2, 2023

    Negotiations to restore the 2015 nuclear deal with Iran remain stalled as Tehran ratchets up its nuclear program. Protests in Iran and Tehran's sale of drones to Russia further diminish the likelihood of the United States, Iran and the P4+1 reaching an agreement to restore the nuclear accord.

  • Kelsey Davenport
    November 21, 2022

    The International Atomic Energy Agency's Board of Governors passed a resolution censuring Iran for failing to cooperate with the agency's investigation into its past activities. The IAEA also reported that Iran's nuclear program continues to grow as prospects to restore the 2015 nuclear deal diminish.

  • Kelsey Davenport
    September 28, 2022

    Talks between the United States and Iran to restore the 2015 nuclear deal stalled over new Iranian demands and appear unlikely to resume until after U.S. elections. The International Atomic Energy Organization also reported that Iran's nuclear program continues to expand.