On Friday, The International Atomic Energy Agency (IAEA) stated that Iran had been blocking off its desired inspection of three potential locations of exceeding productions of uranium for more than four months. A report said that Iran held 1,571.6kg of low-enriched uranium despite its 300kg limit. The highest level of enrichment in the stockpile is 4.5% which yet again is above the 3.67% limit.
That ship has sailed. That 'deal' died when the US pulled out.