IAEA: 80. While safeguarded enrichment activities are not forbidden in and of themselves, the fact that Iran is the only non-nuclear-weapon State in the world that is producing and accumulating uranium enriched to 60% remains a matter of serious concern, which has drawn international attention given the potential proliferation implications."
GOV/2025/25: NPT Safeguards Agreement with the Islamic Republic of Iran, 31 May 2025
https://www.iaea.org/newscenter/focus/iran/iaea-and-iran-iaea-board-reports