May 27, 2020: U.S. Secretary of State Michael Pompeo announces that the United States will end the lifting of sanctions that will allow for continued non-proliferation cooperation in Iran. These exceptions relate to the conversion of the Arak reactor, the supply of enriched fuel to the Tehran research reactor and the export of spent Iranian fuel. Pompeo notes that the waiver declarations will expire after a 60-day expiration period and specifies that the waiver for international support for the Iranian Bushehr reactor is maintained, but may be revoked at any time. October 31, 2019: The U.S. State Department grants a 90-day extension to the lifting of sanctions for certain nuclear cooperation projects in Iran, but it remains unclear what waivers will be renewed. In July 2019, the Trump administration waived sanctions to allow China, Russia and European JCPOA members to continue certain undelased activities under the nuclear deal, including the conversion of Iran`s Arak reactor and Fordov enrichment plant, the transfer of 20% enriched uranium fuel for the Tehran research reactor, and the removal of used fuel from the Buhers reactor. The July 2019 waiver declarations expired in October. The agreement was sealed in July 2015 under President Barack Obama. April 23, 2017: Iran and China tackle price dispute and reach an agreement to modify Iran`s Arak reactor. China will work with Iran to make the changes mandated by the JCPOA to reduce the production of military plutonium. The IAEA publishes a second report outlining Iran`s failure to comply with the Agency`s investigation into three sites related to Iran`s nuclear activities.
According to the IAEA, Iran has not responded to three separate letters from the agency requesting additional information and access. UK – Foreign Secretary Philip Hammond said the framework deal with Iran was well beyond what many thought was possible 18 months earlier.  The retired marine corps, General Anthony Zinni, said he had refused the requests of both parties to sign their letters and told Time magazine: “I am convinced that 90% of the guys who signed the letter in one way or another have no idea if it is a good deal or a bad deal.