The deal was originally negotiated by former president, Barack Obama.

Majid Takht Ravanchi, Iran's ambassador and permanent representative to the U.N., said the country had already received positive signs from the Biden camp. He told the Islamic Republic News Agency: "We have heard from the Biden team a number of positive remarks regarding the JCPOA and the return of the U.S. to its obligations based on it."

However, Takht Ravanchi said it is "too early to judge" Biden's next moves and that "Iran is not in a rush." He remarked: "We have to wait until Biden announces his position with regard to the JCPOA and the implementation of the deal. We have to give him time."

The envoy said that the actual implementation of what the U.S. has agreed to do based on the nuclear agreement is more important for Iran.