The International Atomic Energy Agency (IAEA) board of governors voted on Wednesday to refer Iran to the UN Security Council for the first time in 20 years, citing non-compliance with its nuclear non-proliferation obligations.
The resolution, proposed by the United States, United Kingdom, France, and Germany, passed with 23 votes in favor, three against, and eight abstentions during a closed-door meeting in Vienna. China, Russia, and Niger voted against the measure, while one country did not vote due to arrears. The IAEA requested its director general, Rafael Grossi, to formally report Iran to the Security Council and the UN General Assembly.
Key reasons cited for the referral
The IAEA resolution highlighted two primary concerns: Iran’s lack of full cooperation regarding uranium traces detected at undeclared sites and its denial of access to nuclear facilities for inspectors. The agency noted that Iran has not provided sufficient information about its stockpile of highly enriched uranium or allowed routine monitoring at key sites, including Natanz and Fordo.
Iran’s response and stated justification
Iran’s mission to the IAEA condemned the resolution, calling it a politically motivated move and accusing the US and Israel of disrupting inspections through military strikes. Iranian Deputy Foreign Minister Kazem Gharibabadi stated on social media that attacks on safeguarded nuclear facilities had disrupted verification processes, which Iran argues justifies its refusal to grant full access.
The IAEA has not had inspectors at Iran’s nuclear sites since June 2025, when Israel and the US conducted strikes during a 12-day conflict. Additional strikes in February 2025 further damaged facilities, according to Iranian officials. Iran has repeatedly stated that its nuclear program is exclusively for peaceful purposes, though Western officials and the IAEA have questioned this claim, citing evidence suggesting past undeclared activities.
Diplomatic and geopolitical implications
The referral to the Security Council does not guarantee immediate action, as Russia and China—both permanent members with veto power—have signaled opposition to punitive measures. The resolution’s passage marks a significant escalation in tensions between Iran and Western powers, though concrete sanctions remain unlikely due to the veto threat.
The IAEA first found Iran in non-compliance with its non-proliferation obligations in June 2025, a finding that preceded the current referral. The board’s decision follows years of disputes over transparency and access, with Iran arguing that its cooperation has been constrained by external military actions.