A meeting of the Joint Commission of the Joint Comprehensive Plan of Action (JCPOA) took place on 21 July 2017 in Vienna. This was the 6th meeting of the Joint Commission since JCPOA Implementation Day. Under the terms of the JCPOA, the Joint Commission is responsible for overseeing the implementation of the nuclear deal.

The Joint Commission was chaired, on behalf of EU High Representative Mogherini, by EEAS Secretary General Helga Schmid and was attended by the E3+3 (China, France, Germany, Russia, United Kingdom, United States) and Iran at the level of Political Directors/Deputy Foreign Ministers.

The meeting provided the opportunity to address the implementation of the JCPOA with regard to nuclear and sanctions related commitments. The parties welcomed the latest report from the IAEA verifying Iran's continued adherence to its nuclear-related commitments and the Chair underlined the need for continued compliance. They also discussed the nuclear aspects of the deal, including positive developments on Arak, ongoing and future civil nuclear cooperation and procurement-related matters. 

They also reviewed the status of the sanctions-lifting during which the Chair underlined the need to implement the JCPOA in good faith and in all its provisions. Information was shared confirming that, despite existing challenges, there has been a consistent trend of economic engagement as reflected by the latest announcements of major trade and investment deals.

Noting the significance of the second anniversary of the JCPOA all participants confirmed their continued adherence to JCPOA commitments and stressed the need to ensure its full and effective implementation in a constructive atmosphere.