Iran offered to limit its enriched uranium stock to up to 60% purity—90% is weapons grade purity—to avoid a resolution at the Nov. 20-22 International Atomic Energy Agency meet condemning its non-cooperation with UN inspectors.
The nuclear watchdog has said in a confidential report that Tehran has already initiated the process, although hiking uranium enrichment from 60% to 90% is a short process. Iran has also reportedly raised its 60%-purity uranium supply.