Diplomats from European countries have said that Iran's stance on negotiations over its nuclear program is "contradictory" to terms that limit its programming.
Negotiations resumed in Vienna on November 29 after a five-month hiatus to save the joint comprehensive plan, according to the French news agency AFP.
Tehran has always refused a deal reached in 2015 to stop Iran from building an atomic bombThe agreement guaranteed relief for Iran in exchange for tougher sanctions on its nuclear program, and placed it under strict UN scrutiny.
Diplomats from Iran, Britain, China, France, Germany and Russia, which signed the 2015 agreement, are also part of the ongoing talks.
Diplomats from France and Germany say "we talked for hours and all delegations urged Iran to act responsibly."
"Even at this point in time, we have not reached the point of real negotiations," he added.
"We are wasting precious time because of Iran's contradictory attitudes," the diplomats continued.
Former United States President Donald Trump pulled the United States out of the nuclear deal with Iran in 2018, while current US President Joe Biden wants Washington back in the deal.
On the other hand, Iran wants Washington to lift sanctions and demands guarantees for it.
Ali Baqeri, head of Tehran's negotiating team, was quoted in Iran's state-run news agency IRNA as saying on Sunday, referring to the preparation of the agenda in the talks: Should.'
Iranian officials have also said they are "absolutely serious" about the talks.
"This is a positive and important development for the first time. They have not agreed on some issues before."
