Speaking to IRNA, the informed source said the French delegation played no constructive role in the latest round of talks and even slowed down the process of negotiations.
The source added that after the French team return to negotiations and their opposition against drafts, the negotiation process was disturbed.
Earlier, a European source told IRNA on condition of anonymity on Friday that the P4+1 group (Britain, France, Russia, China plus Germany) wanted to negotiate with Iran on a draft of prepared at the end of six rounds of talks in Vienna, Austria, but the Iranian negotiating team proposed two draft texts in the seventh round.
The European Union also issued a statement on Thursday announcing that the next Joint Commission meeting of the Joint Comprehension of Plan of Action (JCPOA) will be held on December 27 in Vienna.
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