“Today, within the framework of the Vienna negotiations on the JCPOA, the working group on nuclear issues had a useful meeting.

We are seeing undeniable progress.

The issue of lifting the sanctions is being actively discussed at informal meetings, ”he wrote on Twitter.

Today in the course of #ViennaTalks on #JCPOA the working group on nuclear issues held a useful meeting.

We observe indisputable progress.

#Sanctions lifting is being actively discussed in informal settings.

pic.twitter.com/GniRLV6CA7

- Mikhail Ulyanov (@Amb_Ulyanov) December 28, 2021

Ulyanov also said that he had a useful and positive meeting with the heads of the delegations of Great Britain, France and Germany in the negotiations, however, "unfortunately, there was no one to take a photo."

On December 27, the lava delegations of Russia and the United States met before the start of the eighth round of consultations on the restoration of the Iranian nuclear deal.