On 17 September 2026, Russia and China used their veto powers at the United Nations Security Council (UNSC) to block a United States-backed resolution that would have extended the mandate of a UN panel of experts responsible for monitoring sanctions against Iran. The vote was 11 in favour, 2 against and 2 abstentions. Because Russia and China are permanent members of the Security Council, their negative votes prevented the resolution from being adopted despite majority support. (AP News).
United nation Security Council Voting on UN sanctions on Iran
The vote has become an important diplomatic development because it concerns not simply the continuation of a monitoring mechanism, but also a wider disagreement among major powers over the status of UN sanctions on Iran, the 2015 nuclear agreement, and the interpretation of Security Council Resolution 2231. The US-sponsored draft sought to extend for another year the mandate of the Panel of Experts supporting the Security Council’s Iran sanctions regime. The UN Security Council’s own records state that the panel operates under Resolution 1929 (2010) and is responsible for gathering and analysing information about implementation of earlier Iran sanctions, including possible cases of non-compliance. Its mandate was due to expire on 26 September 2026. (United Nations). The proposed extension therefore would have allowed UN experts to continue investigating and reporting on potential violations and sanctions evasion.
The final vote was:
| Vote | Countries |
| For – 11 | Bahrain, Colombia, Democratic Republic of the Congo, Denmark, France, Greece, Latvia, Liberia, Panama, United Kingdom and United States |
| Against – 2 | Russia and China |
| Abstained – 2 | Pakistan and Somalia |
The UN record confirms the 11–2–2 voting pattern. (UN Transcripts). The Security Council has 15 members, but five are permanent members: China, France, Russia, United Kingdom, United States. A substantive resolution requires at least nine affirmative votes and no veto by a permanent member. Consequently, the 11 affirmative votes were insufficient once Russia and China voted against the resolution.
Russia Argued That the Proposed Resolution Lacked an Adequate Legal Basis.
Russian Ambassador Vasily Nebenzya maintained that Security Council Resolution 2231, which was associated with the 2015 Iran nuclear agreement, had expired on 18 October 2025. Russia therefore disputes the legal basis for continuing the sanctions-related mechanisms associated with the previous framework. The Russian position has been consistent with Moscow’s broader argument that the so-called “snapback“ process used by France, Germany and the United Kingdom to restore UN sanctions against Iran was legally invalid. Russia also argued that continuing to hold Security Council discussions under the relevant Iran nuclear agenda was inconsistent with the expiration of Resolution 2231. (UN Transcripts). In other words, Moscow’s position is essentially that the sanctions-monitoring mechanism cannot legitimately be extended through the proposed resolution because the underlying legal framework has expired.
China Position on Continued Ban of Iran Nuclear Mission
Though, China has taken a position broadly aligned with Russia on the legal status of Resolution 2231. During a Security Council meeting in July 2026, China’s representative stated that China considered Resolution 2231 to have expired on 18 October 2025. China argued that the Council should concentrate on diplomacy and de-escalation rather than actions that, in Beijing’s view, deepen divisions over the Iran nuclear issue. (UN Transcripts). China therefore opposed the US-sponsored extension of the monitoring mechanism. Beijing’s position also reflects its broader diplomatic relationship with Iran and its preference for resolving disputes concerning Iran’s nuclear programme through negotiations rather than increasing pressure through additional international mechanisms. However, The United States took the opposite view. Washington argued that continued independent monitoring was necessary to determine whether Iran or other actors were violating the sanctions regime. US Deputy Ambassador Jennifer Locetta argued that without an independent expert panel, the Security Council would lose an important source of evidence-based information about sanctions violations. The US also maintained that the mechanism could help identify prohibited defence cooperation and sanctions evasion. (The Nahttps://transcripts.un.org/en/sc/10192?utmtional). The disagreement therefore involves two interconnected questions: Are the UN sanctions and related mechanisms still legally valid? Should the Security Council retain an independent mechanism for monitoring compliance?
One immediate consequence is that the independent expert-monitoring mechanism will not receive the proposed one-year extension. This could make it more difficult for the Security Council to obtain independent investigations into alleged sanctions violations. The United States and some European governments argue that this creates a monitoring gap. Russia and China, however, maintain that the underlying legal framework has expired and that continuing the mechanism would improperly perpetuate a sanctions regime they consider no longer legally operative. (The National). The UN’s own records show that the panel’s mandate was scheduled to end on 26 September 2026. (United Nations)
