Delegates attend Iran nuclear negotiation in Vienna on Dec, 3, 2021 (Photo: Xinhua/VNA)

Mikhail Ulyanov, Russia’s top envoy to the talks, said on Thursday that while it is not “popular to engage in serious business” during the holiday season, the resumption of talks indicates a desire to restore the deal as soon as possible.

The EU’s foreign service said the meeting will be attended by representatives of China, France, Germany, Russia, Britain and Iran.

Participants will continue previous discussions on a possible return of the US to the JCPOA and ensuring full and effective compliance with the agreement by all sides.

The previous round of talks on the Iran nuclear deal ended last week.