Guterres made the remarks in the 10th report on the implementation of Resolution 2231, which will be read out during a Security Council meeting on Tuesday.
He hailed the nuclear deal, also known as the Joint Comprehensive Plan of Action (JCPOA), as a testament to the effectiveness of multilateralism, diplomacy and dialogue, saying the agreement is the best way to ensure a comprehensive, long-term and proper solution to Iran's nuclear issue and to help promote regional and international peace and security.
Guterres also called for the continued commitment of the JCPOA’s signatories to preserve it and highlighted the importance of the deal’s economic benefits for the Iranian people.
The JCPOA was reached on July 14, 2015 between Iran and a group of countries then known as the P5+1 — which included the United States, Britain, France, Russia, China, and Germany. It was ratified in the form of UNSC Resolution 2231.
In May 2018, US President Donald Trump unilaterally pulled his country out of the JCPOA and re-instated the anti-Iran sanctions that had been lifted under the accord.
Under US pressure, Europe has so far been unable to deliver on its contractual obligation to undo the negative impact of Washington’s illegal bans on the Islamic Republic.
The US withdrawal and the ensuing European failure to protect its business ties with Tehran prompted Iran to suspend parts of its commitments under the agreement.
The UN chief reiterated the significance of initiatives aimed at supporting trade and economic relations with Iran amid the current economic and health challenges caused by the coronavirus pandemic.