The Board of Governors of the United Nations nuclear watchdog has passed a resolution accusing Iran of failing to comply with its nuclear nonproliferation commitments, referring the matter to the UN Security Council (UNSC). This diplomatic move, supported by the United States and its European allies, occurs more than six months into the US-Israeli war against Iran and amid heightened tensions in the Strait of Hormuz.

The International Atomic Energy Agency (IAEA) resolution expressed "grave concern" over Iran's "continued noncompliance" with its obligations under the Nuclear Non-Proliferation Treaty (NPT). Iran is prohibited from producing nuclear weapons and is required to adhere to IAEA safeguards to ensure its nuclear material is used for peaceful purposes.

However, the IAEA has been denied access to key nuclear facilities in Iran since the US and Israel initiated a 12-day war in June 2025, which included attacks on sites like Fordow, Natanz, and Isfahan. The IAEA board stated that its "lack of information about previously declared nuclear material and access to facilities to verify it" constitutes a "proliferation concern" requiring urgent attention. The resolution called on Tehran to "engage seriously and without preconditions in talks aimed at building international confidence in the exclusively peaceful nature of Iran’s nuclear programme."

This marks the first time in two decades that the IAEA board has passed such a resolution. The implications are significant, potentially leading to further international pressure on Iran amidst the ongoing conflict and escalating tensions in the Strait of Hormuz.

Iran has condemned the resolution, deeming it baseless and politically motivated. Iran's representative to the UN in Vienna, Reza Najafi, stated that the resolution was passed under political pressure from the US and its allies and lacks foundation. Najafi explained that Iran has been unable to grant inspectors safe access to its nuclear sites due to the ongoing conflict.

Despite the access issues, Najafi asserted that Iran has "neither stopped nor suspended its safeguards obligations," but that "performance is currently impossible under continuing military operations and persistent threats." He added that Tehran "will cooperate only to the extent that circumstances and safety permit."

Iran's Deputy Foreign Minister Kazem Gharibabadi reportedly accused the US of creating conditions that make inspections unsafe, implying that US actions have contributed to the current impasse. The IAEA's decision to refer the matter to the UNSC underscores the severity of the situation and the international community's growing concern over Iran's nuclear activities.

The referral to the UN Security Council could lead to further diplomatic actions or sanctions, depending on the council's response. The ongoing war and the naval confrontations in the Strait of Hormuz add a volatile layer to the nuclear dispute, raising concerns about regional stability and the potential for wider escalation.