The 24 November interim agreement between Iran and the permanent members of the UN Security Council and Germany (P5+1) will significantly reduce Tehran's ability to produce nuclear weapons without being detected and could be renewed if a comprehensive solution is not reached in six months. Iran will be allowed to continue to enrich uranium up to 5%, but not to 20%. Its stockpile of less than 5% uranium will be capped and it will neutralise its existing stockpile of 20% enriched uranium by turning half of it into reactor fuel and diluting the other half into less than 5% stocks, increasing the time it would take it to produce weapons-grade uranium. Iran has also agreed not to increase the capacity at its enrichment facilities. It will also freeze work on the IR-40 reactor at Arak, which could be used to produce weapons-grade plutonium once it comes online, and will not build an associated reprocessing facility.
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