European Union foreign policy chief Federica Mogherini met Iranian foreign minister Mohammad Javad Zarif in Geneva on Wednesday and reiterated the bloc's determination to preserve the multilateral nuclear deal, an EU statement said.
Mogherini underlined need for continued full and effective implementation of the Iran nuclear deal by all parties, "including the economic benefits arising from it", it said.
In recent days Iranian officials have repeatedly warned the EU about the consequences of a lack of progress on creating a special mechanism for trade. Iran needs to find ways to circumvent U.S. sanctions and Europe has promised a special mechanism to facilitate trade, without dollar payments.
Iran's nuclear chief said on Tuesday he was warning the European Union's top diplomat that Iranian patience was running out on the bloc's pledges to keep up oil trade despite U.S. sanctions.
Ali Akbar Salehi, head of the Atomic Energy Organization of Iran, said the Islamic Republic could resume enriching uranium to 20 percent purity - seen as well above the level suitable for fueling civilian power plants - if it fails to see the economic benefit of the 2015 deal that curbed its nuclear program.