The megotiations will resume after a short break.
The two delegations will continue their bilateral talks on Tuesday, and then from Wednesday, negotiations will begin between deputies to foreign ministers of Iran and Group 5+1.
Deputy Foreign Minister in Legal and Internatioanl Affairs Abbas Araqchi, Deputy Foreign Minister in Europe and Amercan Affairs Majid Takht-e-Ravanchi are heading Iranian delegation in this round of talks.
US Under Secretary of State for Political Affairs Wendy Sherman is the head of US delegation.
In the last round of talks between Iran and Group 5+1 in Vienna, Austria, the two sides could not reach a final agreement, so the foreign ministers said they needed more time for a comprehensive agreement and exteded the negotiations for more seven months and seven days.