Vienna, June 28, IRNA � Official in charge of media affairs of Iran's negotiating team said that the Iranian foreign minister and the US secretary of state during their three meetings have offered necessary instructions concerning way of continuing works on drafting the text and idetails of a final comprehensive nuclear deal to their respective teams.

He added that Foreign Minister Mohammad Javad Zarif will return home on Sunday evening and after a one day stay fly back to Vienna.

As it was said before, in case of any need for more time to compile the text of the final agreement, negotiations might continue after July 1.

By IRNA