Araqchi, in a televised announcement on state-run tv, said that Iranian party was officially informed on Thursday about the fact that Iran's draft plan which was offered at the first tour of Geneva talks on October 15-16 was approved by the P5+1.
Araqchi said they expected to strike an agreement on Friday, describing the negotiations as "tough".
The foreign minister did not give information about the details of the talks.
The negotiations which are held in UN Geneva Office will continue on Friday as well.
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