Iran Gains Strong Backing in Nuclear Standoff with the West

In a significant development regarding the Iran nuclear deal, Iran, China, and Russia have once again united to challenge the re-implementation of pre-JCPOA UN sanctions against Tehran. These sanctions were officially reinstated last month but have faced mounting international opposition, preventing their effective enforcement.

The United Kingdom, France, and Germany activated a mechanism known as the ‘snapback’ on August 28, initiating a 30-day process to restore all UN sanctions on Iran. This mechanism was integrated into the 2015 Iran nuclear deal, officially recognized as the Joint Comprehensive Plan of Action (JCPOA). It permitted non-Iranian signatories to reinstate UN sanctions if they determined Iran was not adhering to its commitments.

In a letter sent to UN Secretary-General Antonio Guterres on Saturday, representatives of Iran, Russia, and China at the UN asserted that Europe’s decision to trigger the snapback lacked any legal foundation. The letter stated:

“Efforts by the three European countries to invoke the so-called ‘snapback’ mechanism are legally defective and lack any legal basis.”

The correspondence was directed not only to Guterres but also to Vassily Nebenzia, the current rotating president of the UN Security Council. The letter emphasized:

“The three European countries, which themselves have reneged on their commitments under [UNSC] Resolution 2231 and refused to comply with the trend set in the ‘dispute settlement mechanism’ are not competent to refer to its provisions.”

The JCPOA, which was signed by Iran, Germany, Britain, France, China, Russia, and the United States, aimed to limit Tehran’s nuclear activities in exchange for sanctions relief. The embargoes that have heavily impacted Iran’s economy since 2006 peaked during the Obama administration in 2012. However, following the election of Republican Donald Trump, the U.S. withdrew from the agreement and reinstated sanctions against Iran.

In 2018, Trump introduced secondary restrictions, which exerted unprecedented financial pressure on the Iranian populace. Despite assurances from European signatories to alleviate U.S. sanctions, they failed to mitigate the repercussions in the years that followed.

In response to these developments, Iran began to reduce its compliance with some JCPOA obligations in 2020, as it became evident that Western nations were not fulfilling their end of the agreement. The Iranian government engaged in multiple rounds of negotiations, expressing its willingness to limit nuclear activities if sanctions were lifted. However, Iran’s last diplomatic effort was thwarted in June 2025 when Israel and the U.S. conducted attacks on its nuclear, civilian, and military infrastructure, just before a new round of talks was set to take place in Oman.

Furthermore, Iran, Russia, and China reiterated in their letter to the UN Secretary-General that the expiration of Resolution 2231 provided additional justification for the non-implementation of the snapback sanctions. This resolution, which endorsed the JCPOA, officially expired on October 18 after a decade.

The letter stated:

“Under operative clause 8 of Resolution 2231, all of its provisions were terminated after October 18, 2025. Once again, we reiterate that the full and prompt termination of Resolution 2231 amounts to the end of reviewing Iran’s nuclear issue at the UN Security Council, something which would reinforce the power of the council and the credibility of multilateral diplomacy.”

The support from major global powers such as Russia and China is crucial, but it is also noteworthy that at least 120 other nations have aligned with Tehran in its nuclear dispute with the West. Members of the Non-Aligned Movement (NAM) expressed their backing for the Islamic Republic during a ministerial meeting held in Uganda last week.

Political scientist Shuaib Bahman commented on the current international dynamics, stating:

“We clearly see a rift in the international order here. Iran’s nuclear program has become one of the biggest points of contention between world powers since the end of WWII. Also, the situation and perception of Iran are significantly different than in 2012, when most of the world agreed with Obama’s handling of the nuclear issue.”

Bahman further noted that Iran’s commitment to diplomacy, contrasted with the West’s disregard for international accords over the past decade, has shifted global perspectives. He stated:

“Russia and China, wielding considerable power in the UNSC, can still impede the practical implementation of the snapback, even though they legally couldn’t prevent its invocation. Consequently, other countries will also be reluctant to enforce UN sanctions when it comes to their bilateral relations with Iran.”

As the situation develops, the implications of this geopolitical standoff will continue to resonate across international relations, affecting diplomacy and security in the region and beyond.