Iran's representative to the United Nations has rejected renewed allegations over the country's nuclear program, denouncing a UN Security Council meeting on the issue as an abuse of the council's procedures and authority.
Gholamhossein Darzi made the remarks in a Thursday letter to France's UN envoy — whose country holds this month's Security Council presidency — referring to Thursday's Council meeting on "Non-Proliferation," which discussed the "so-called work of the 1737 Committee."
"The meeting on the so-called work of the 1737 Committee is a blatant abuse of the Council's procedure and authority," the Iranian envoy wrote.
He said Iran's position is "clear, consistent, and firmly on the record," pointing to official communications with the UN secretary-general and the Security Council president.
According to Darzi, UN Security Council Resolution 2231 expired on October 18, 2025. He noted that from that date, "all nuclear-related provisions, measures, and restrictions were permanently terminated."
He further stated that the Security Council has concluded its consideration of the Iranian nuclear issue and that the "Non-Proliferation" agenda item has subsequently been removed.
Darzi also rejected the validity of the so-called snapback mechanism invoked by the European parties to the nuclear deal.
"The so-called 'snapback' mechanism by the E3 was never triggered," he wrote, explaining that France, Germany and the UK lacked the legal standing to invoke it because they had failed to comply with their obligations under both the Joint Comprehensive Plan of Action (JCPOA) and Resolution 2231.
Addressing the current dispute over Iran's nuclear program, Darzi said its "root causes" lay principally in the unlawful US and Israeli attacks on Iran's peaceful and safeguarded nuclear facilities.
He said that over the past two years, Iran has been pursuing negotiations and diplomacy "in good faith," while the United States and Israel have carried out attacks against Iranian civilian infrastructure.
"These attacks constitute acts of aggression and grave violations of the Charter of the United Nations and the peremptory prohibition under international law of the threat or use of force," he said.
Darzi pointed to UN General Assembly and Security Council resolutions, as well as International Atomic Energy Agency decisions, which affirm that safeguarded nuclear facilities must not be targeted.
"By attacking safeguarded nuclear facilities and repeatedly threatening further attacks, the United States has seriously eroded confidence in the safeguards system, and undermined the non-proliferation regime," he wrote.
Darzi rejected renewed allegations against Iran's nuclear program as "political rather than technical." He stressed that Tehran has been a party to the Nuclear Non-Proliferation Treaty since 1970 and has been subject to extensive IAEA monitoring for nearly 25 years.
He stated that the IAEA has reported no diversion of nuclear material in Iran and that this record should be assessed objectively. "The IAEA must remain impartial, professional, independent and non-political," he said.
Darzi also addressed the IAEA Board of Governors' resolution adopted on Wednesday, rejecting it as a "non-consensus resolution" that was "politically driven by the United States and E3." He criticized the resolution for failing to address attacks on Iran's safeguarded nuclear facilities.
"Like previous resolutions, it is silent on the unlawful, criminal attacks by the United States and Israeli regime against Iran's safeguarded nuclear facilities," Darzi wrote.
IAEA anti-Iran resolution illegal, political and product of US-Zionist pressure: SNSC secretaryhttps://t.co/KixJPxsI8C
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Darzi warned against using Security Council procedures to advance politically motivated allegations.
"Security Council meetings and procedures must not be exploited to promote politically motivated or unsubstantiated allegations against Member States, or to provide political cover for unlawful acts," he wrote.
"Procedural action cannot, in itself, confer legitimacy on unsupported claims," Darzi said, adding that the Council presidency had a particular responsibility in this regard.
Iran urged the Security Council to adhere strictly to the UN Charter and international law and to reject "cynical attempts" by the United States and certain other members to politicize the Council's procedures and mechanisms.