The Joint Commission of the Joint Comprehensive Plan of Action (JCPOA) will resume the negotiations in Vienna on June 20, the European Union External Action Service said on Saturday.
The past five rounds of the Vienna talks to revive the 2015 nuclear deal led to an agreement over the removal of some 1,000 US sanctions on Iran, but about 500 others are still in dispute, were quoted as saying by semi-official Tasnim News Agency.
US President Joe Biden on Friday raised concerns about Iran's seriousness in Vienna talks to revive the 2015 nuclear deal, formally known as the Joint Comprehensive Plan of Action (JCPOA).
A senior State Department official said on Thursday that the United States and Iran could achieve a mutual return to compliance with the Iran nuclear deal in the coming weeks if Tehran makes a "political decision."
High-ranking diplomats from China, Germany, France, Russia, and Britain are set to resume talks Saturday focused on bringing the United States back into their landmark nuclear deal with Iran.
Iran and the five world powers that remain in a foundering 2015 nuclear deal plan to hold their second formal meeting of the week on Friday to take stock of efforts to bring the United States back on board.