The United Nations Security Council’s decision to restore sanctions showed the world would not yield to Iran’s pressure over its nuclear program, US Treasury Secretary Scott Bessent said on Saturday.
“Iran’s nuclear program poses a threat to our peace and prosperity,” Bessent said in a post on X. The US president had given Tehran “every opportunity to reach a deal,” he added, but accused Iran of refusing to engage seriously.
Bessent urged UN member states to “immediately implement and enforce the sanctions.”
The Council’s action followed a May 31 report from the International Atomic Energy Agency accusing Iran of concealing undeclared nuclear material and obstructing inspections.

US Secretary of State Marco Rubio on Saturday commended France, Germany, and the UK “on their decisiveness and resolve” after they reinstated UN sanctions on Iran by triggering the snapback mechanism.
“Six UN resolutions have been reactivated, prohibiting Iranian nuclear enrichment and restoring restrictions on Iran’s nuclear and ballistic missile programs and arms trade,” Rubio said.
He said the reimposition of restrictions “sends a clear message: the world will not acquiesce to threats and half measures – and Tehran will be held to account.”
“President Trump has been clear that diplomacy is still an option—a deal remains the best outcome for the Iranian people and the world. For that to happen, Iran must accept direct talks, held in good faith, without stalling or obfuscation,” Rubio said.
“Absent such a deal, it is incumbent on partners to implement snapback sanctions immediately in order to pressure Iran’s leaders to do what is right for their nation, and best for the safety of the world.”
All UN sanctions suspended under the 2015 deal with Iran snapped back into force at 8 pm Eastern Time on September 27, one month after European powers triggered the so-called "snapback" mechanism.
The sanctions, first imposed between 2006 and 2010 under six Security Council resolutions, were suspended in 2015 when Resolution 2231 endorsed the nuclear deal (JCPOA).
They covered arms embargoes, travel bans, financial restrictions, prohibitions on nuclear- and missile-related activity and the freezing of assets belonging to designated individuals and entities.
Resolution 2231 set an October 18, 2025 deadline after which many restrictions were due to expire unless a so-called "snapback" mechanism was triggered.
On August 28, 2025, Britain, France and Germany (the E3) triggered the mechanism citing Iran's failure to comply with its nuclear obligations, beginning a 30-day process that culminated in the sanctions' return.


All UN sanctions suspended under the 2015 deal with Iran snapped back into force at 8 pm Eastern Time on September 27, one month after European powers triggered the so-called "snapback" mechanism. What are they, and what impact will they have?
The sanctions, first imposed between 2006 and 2010 under six Security Council resolutions, were suspended in 2015 when Resolution 2231 endorsed the nuclear deal (JCPOA).
They covered arms embargoes, travel bans, financial restrictions, prohibitions on nuclear- and missile-related activity and the freezing of assets belonging to designated individuals and entities.
Resolution 2231 set an October 18, 2025 deadline after which many restrictions were due to expire unless a so-called "snapback" mechanism was triggered.
On August 28, 2025, Britain, France and Germany (the E3) triggered the mechanism citing Iran's failure to comply with its nuclear obligations, beginning a 30-day process that culminated in the sanctions' return.
Why it matters
The return of UN sanctions is expected to hit Iran hard, even though it already faces sweeping US and EU measures.
The difference is that UN sanctions carry international legitimacy, compelling broader compliance by governments, insurers and banks worldwide.
Even if unilateral or secondary sanctions are eased, UN restrictions would remain in force and shape global behavior unless a new Security Council resolution overturns them.
The impact will extend beyond oil and finance, raising trade finance costs, shipping insurance premiums and currency volatility.
Which resolutions are being reimposed?
What’s the impact?
Reinstated sanctions will directly undermine Iran’s ability to export crude, attract investment and finance its energy sector.
Resolution 1929 is especially damaging, as it restricts shipping insurance and financial services essential for oil exports while deterring foreign energy companies.
Banking restrictions from Resolutions 1737, 174 and 1803 complicate oil sales and payments, cutting revenues. Lower government income will limit Tehran’s fiscal capacity, straining subsidies, salaries, and social programs.
Beyond oil, sanctions will intensify inflationary pressures, weaken the rial and increase transaction costs across supply chains.
The private sector will face new hurdles in accessing raw materials, technology, and international banking, compounding Iran’s broader economic crisis.
"Saudi Arabia affirms that a diplomatic track is the way to address the issue of Iran's nuclear program and calls for positive engagement in negotiations and cooperation with the International Atomic Energy Agency," Foreign Minister Faisal bin Farhan told the UN General Assembly on Saturday.


Western countries demanded Iran surrender its stocks of highly enriched uranium in exchange for only a few months of relief from UN sanctions, Iranian authorities said on Saturday, calling the offer humiliating.
“They demanded that we hand over all our enriched uranium and in exchange they give us a temporary relief of 90 days, which is absolutely unacceptable,” Iranian President Masoud Pezeshkian said on Saturday.
“If we are to choose between the unreasonable demands of the Americans and the snapback, our choice is the snapback,” Pezeshkian added, hours before the return of UN sanctions against Tehran.
Foreign Minister Abbas Araghchi also said Saturday that "the three European countries and the United States expected Iran to give up all its nuclear material or hand it over to them, in exchange for delaying the activation of the snapback mechanism by three or six months."
"This is the height of a brazen approach toward us, and we will not submit to such humiliation," Araghchi told Iran's state TV. "Iran will not accept the humiliating pressure over snapback."
The fate of Iran’s highly enriched uranium (HEU) stockpile of 400 kg (882 pounds) remains under investigation, while Tehran claims it is trapped under rubble after US attacks on three nuclear sites in June.
After triggering the so-called snapback mechanism on August 28, the Europeans asked Iran to address concerns over the highly enriched uranium stockpile, cooperate with the UN nuclear watchdog, and engage in talks with the United States.
Iran accuses US of swaying Europeans
While talks with European leaders had produced some convergence, Washington’s stance remained irreconcilable, Pezeshkian said upon arrival in Tehran after a visit to New York.
"On the snapback mechanism, we apparently reached an agreement with Europe, but when they spoke with the United States, they came up with various excuses."
Barbara Slavin, a longtime Iran analyst, wrote in a post on X that Pezeshkian told a private meeting France had floated a similar idea, proposing Iran hand over its enriched uranium in return for just one month’s extension.
The so-called snapback mechanism stems from UN Security Council Resolution 2231, which endorsed the 2015 Joint Comprehensive Plan of Action (JCPOA). It allows any participant to reimpose sanctions if Iran is judged in “significant non-performance.”
The United States, Britain, France and Germany argue that Iran’s growing uranium stockpile and failure to resolve International Atomic Energy Agency (IAEA) concerns meet that threshold.
A May 2025 IAEA safeguards report concluded Iran had concealed activities, sanitized sites, and retained undeclared nuclear materials, leading to its referral to the Security Council. The vote has now restored suspended measures.
On September 23, Iran's Supreme Leader reiterated that Tehran does not need and seek to develop nuclear weapons, so it enriches uranium to up to 60% purity, unlike nuclear-armed countries that enrich it up to 90% purity.





