Iran UN Sanctions Snapback (2025)

The snapback is the automatic return of UN sanctions on Iran provided for by resolution 2231 of July 20, 2015. France, Germany and the United Kingdom triggered it on August 28, 2025 by notifying the Security Council of significant non-performance by Iran of its commitments under the Joint Comprehensive Plan of Action (JCPOA). The text reverses the logic of the veto: sanctions return on their own after thirty days unless the Council adopts a resolution keeping them lifted. The draft to that effect drew four votes in favor, nine against and two abstentions on September 19; a Russian-Chinese proposal for a six-month delay failed in turn on the 26th. The measures came back on September 27, 2025 at 8 p.m. New York time, three weeks before the October 18 date on which resolution 2231 was due to expire. What returns are resolutions 1696, 1737, 1747, 1803, 1835 and 1929. They bring an arms embargo, bans tied to enrichment and ballistic missiles, freezes on persons and entities, including companies linked to the national carrier IRISL (Islamic Republic of Iran Shipping Lines), and a call to inspect suspect cargoes. Iran, Russia and China dispute the standing of the three Europeans to act. Two permanent members thus treat as void a regime the others apply. The EU restored its own, much wider, measures in Regulation (EU) No 267/2012 as early as September 29, and the United Kingdom its own on October 1. In the marine market, the shock runs through Europe more than through New York. Iranian crude, gas and petrochemical cargoes lose European and British insurance, reinsurance and financing; International Group P&I (protection and indemnity) clubs can no longer cover those voyages, which pushes the trade further toward the shadow fleet with no verifiable cover. And a shipowner whose vessel calls at an Iranian port finds its underwriters asking what it carries, and for whom.

• UN Security Council, resolution 2231 of 20 July 2015, paragraphs 11 and 12