Iranian Foreign Ministry Spokesman Seyyed Abbas Mousavi says the next meeting of the Joint Commission of the JCPOA is set to be held at a deputy-ministerial and political directors level on June 28 in Vienna.
Mousavi said officials from Iran, Germany, Britain, France, Russia and China are expected to take part in the meeting.
According to the spokesman, under the term of the JCPOA, the regular meetings of the Joint Commission should be held on a seasonal basis.
The earlier meeting of the Joint Commission was held in March.
The Joint Commission is responsible for overseeing the implementation of the nuclear deal.