PARIS - The UN nuclear watchdog must provide all the information it possesses with the "necessary detail" on whether Iran has in the past carried out work related to nuclear weapons, France's Foreign Ministry said on Monday.
The International Atomic Energy Agency (IAEA) is due to publish a report this week on the matter, which could allay remaining concerns on Iran's intentions as part of a deal between world powers and Tehran.
It could provide for a lifting of sanctions against the Islamic Republic in exchange for restrictions on its nuclear program - but that could be scuppered if any of the parties, including France, are not satisfied.
A clear verdict that weapons-related work occurred would make it difficult for the deal to proceed, but diplomats have said for weeks that they do not expect it to be clear-cut.
France, which was deemed to have had the toughest stance during talks between the major powers and Iran, was especially concerned during negotiations that the issue of the past would not be correctly addressed after a final accord was agreed.
"France will with interest become aware of this report this week," Foreign Ministry spokesman Romain Nadal said in a daily news briefing. "We are expecting that the IAEA provides with the necessary detail all the information it possesses."