Iran is approaching upcoming talks on its nuclear programme
"seriously" and is seeking to make substantial progress on resolving differences
with the international community, the ISNA news agency reported on Friday.
Iran and the UN nuclear watchdog - the International Atomic Energy Agency (IAEA) - will resume negotiations on September 27 in Vienna, the first such meeting since Hassan Rowhani was sworn in as Iranian president earlier this month.
"In next month's talks, Iran will follow its nuclear obligations seriously, with goodwill, and will be result-oriented, to clear up all outstanding differences," Foreign Ministry spokesman Abbas Araqchi told ISNA.
"But to achieve this, the IAEA should pursue the negotiations on a technical basis and without any political pressure from outside," he added.
Western countries have accused Iran of having a nuclear weapons programme, but Tehran denies this, saying its nuclear ambitions are purely peaceful.
Iran has been repeatedly subjected to UN sanctions because of the nuclear controversy.
In a report earlier this week, the IAEA said Iran had increased its capacity for uranium enrichment.
It also raised particular concerns over an Iranian nuclear facility at Parchin, which investigators have been unable to inspect fully.
In June, the IAEA complained of a lack of progress in previous rounds of negotiations between Iran and a group of six countries - the United States, Britain, France, Russia, China and Germany.
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