U.S. Treasury targets 17 vessels linked to Iran's shadow fleet with new sanctions
Key Facts
The U.S. Treasury Department on 8 October 2026 announced sanctions targeting 17 vessels linked to Iran's shadow fleet as part of its campaign against oil transport networks and revenues. The department said the targeted vessels had carried Iranian crude, petroleum products and petrochemicals to markets in South and East Asia. The designations were made under Executive Order 13902, which targets Iran's oil sector alongside other economic sectors. Among the shipments cited by the department, a Vanuatu-flagged crude tanker transported more than 1.5 million barrels of Iranian oil during August 2026. The measures thus covered vessels carrying various types of Iranian cargo, from crude to petroleum products and petrochemicals, under multiple national flags.
The package is part of a campaign the Treasury Department launched on 24 August 2026 at the direction of President Donald Trump to target economic and financial networks linked to Iran. The campaign's initial measures included sanctions on about 60 entities, individuals and vessels, according to the department's statement announcing the campaign. Those measures extended to parties linked to Iran's nuclear and missile technology networks, as well as cyber operations networks and oil revenues. The campaign also broadened sanctions risks to the digital asset and technology sectors, among the sectors identified by Treasury in its announcement. Other sectors included gold, aviation and shipping linked to Iran, combining action against revenue sources with measures targeting the activities and networks named by the department.
Treasury Secretary Scott Bessent warned those enabling Iran to evade sanctions, in remarks reported by Benzinga on the U.S. measures. Bessent said: "No one facilitating Iranian sanctions evasion is beyond the reach of the full force of Treasury's authorities." The secretary thereby directed his warning at those helping Iran sell oil or enabling it to circumvent U.S. restrictions, according to the remarks attributed to him. In its announcement launching the campaign, the department also warned against facilitating money laundering for Iran, linking it to the risk of losing access to the U.S. financial system. That warning also covered facilitating sanctions evasion, with Treasury saying that helping Iran engage in those activities could result in that access being cut off.
On crude flows, Reuters quoted a Treasury official as estimating that Iran had about 20 million barrels on vessels outside the blockade. The official placed those cargoes off Singapore, Malaysia and China, in an estimate of the oil remaining on vessels when the sanctions were announced. According to the agency, the United States reimposed a blockade of Iranian ports on 14 July after the collapse of a memorandum of understanding between Washington and Tehran to end the war. Another Treasury official told Reuters that Iran had stopped loading and unloading crude tankers because of the blockade and sanctions. By contrast, Brett Erickson, managing partner at Obsidian Risk Advisors, expected the sanctions to have a limited impact. In remarks reported by the agency, Erickson attributed his assessment to Iran having already delivered most of its oil that had been at sea.
Alongside the addition of the targeted vessels, the Office of Foreign Assets Control removed the vessels "Hakuna Matata" and "Pinocchio" from the sanctions list, according to the Treasury statement. The department said the two vessels had left the shadow fleet and had been sold to non-sanctioned operators compliant with U.S. requirements. The office issued a general license the same day allowing the wind-down of transactions involving "Samudra Marine Services Private Limited" as part of the announced measures. The wind-down license extends to entities in which the company holds an ownership interest of 50% or more, according to the license issued by the office. That threshold includes direct and indirect ownership interests, making the wind-down provisions applicable to the company and entities falling within the specified ownership threshold.
Authorization to wind down transactions involving "Samudra Marine Services" covered by the license expires on 23 October 2026, according to the deadline set by the Office of Foreign Assets Control. The office set 12:01 a.m. Eastern Daylight Time as the end of the period allowed for covered transactions, including those involving entities within the scope of the company's ownership. On the political front, Reuters quoted Trump as saying the United States would not attack Iran before the midterm elections. Those elections are scheduled for 3 November, the date to which the U.S. president tied his statement on an attack. The October wind-down deadline falls before the election cited by Trump in his remarks on U.S. action toward Iran.