US Treasury Secretary threatens Oman over Strait of Hormuz toll plans with Iran

May 28, 2026

Washington DC [US], May 28 : United States Treasury Secretary Scott Bessent on Thursday warned Oman against any involvement in allegedly facilitating a tolling system in the Strait of Hormuz with Iran, stating that Washington will not tolerate such efforts and will take action against those involved.
In a post on X, Bessent said the US would take strict action against any entities involved in facilitating such a system, warning Oman in particular.
"The United States Government will not tolerate any effort to impose a tolling system in the Strait of Hormuz. Oman, in particular, should know that the U.S. Treasury will aggressively target any actors involved - directly or indirectly - in facilitating tolls for the Strait and any willing partners will be penalised. All nations should reject outright any efforts by Iran to disrupt the free flow of commerce," the post read.
He further urged all countries to reject any attempts by Iran to disrupt maritime trade routes, adding that "Tehran's days of terrorising the region and the world are over."
The Strait of Hormuz, a key global energy corridor, has frequently been at the centre of geopolitical tensions between Iran and the US since the start of the conflict in West Asia due to its strategic importance for oil and gas shipments.
This comes a day after US President Donald Trump warned Oman not to interfere in the negotiations related to the strategic waterway while rejecting the idea of a short-term deal that would allow Iran and Oman to control the critical waterway on which the world oil and gas supply largely depends.
"Oman will behave just like everybody else, or we'll have to blow 'em up," he said.
On Wednesday, the US also imposed sanctions on Iran's Persian Gulf Strait Authority (PGSA), accusing Tehran of using the body to "extort" commercial vessels transiting through the Strait of Hormuz and "funnelling" revenue to Iran's Islamic Revolutionary Guard Corps (IRGC).
The move, announced by the US Department of the Treasury's Office of Foreign Assets Control (OFAC), adds the PGSA to the Treasury Department's Specially Designated Nationals (SDN) list as part of the Trump administration's intensified "Economic Fury" campaign aimed at increasing pressure on Iran amid ongoing regional tensions.
According to the Treasury Department, the PGSA was established by Iran to manage requests from ships seeking passage through the strategically vital Strait of Hormuz.
US officials alleged the authority works closely with the IRGC and the IRGC Navy to direct vessel traffic and impose "illegitimate tolls" on international maritime commerce.
"The Iranian military's latest attempt to extort global maritime trade is proof that Economic Fury has left the regime desperate for cash," US Treasury Secretary Scott Bessent said in a statement, according to the official release.
On Monday, Iranian Foreign Ministry spokesperson Esmail Baghaei stated Iran is working with Oman to establish a mechanism for the safe passage of ships through the Strait and that the efforts by Iran and Oman to develop a protocol for maritime safety represent a "responsible step", and added that it was "natural" for services related to maritime safety and environmental protection to involve certain fees.
Last week, the Islamic Republic announced the launch of a new regulatory body aimed at managing and monitoring operations related to the strategically important waterway, the Strait of Hormuz.
The top security establishment of the Islamic Republic, the Supreme National Security Council, reposted a post on X where it stated that the official X account of the "Persian Gulf Strait Authority" (PGSA) is now operational.
The PGSA introduced at the start of this month has been characterised as a new mechanism for governing maritime traffic through the strategic Strait of Hormuz.
"In the Name of God. The official X account of the Persian Gulf Strait Authority (#PGSA) is now live. Follow us for real-time updates on the Hormuz Strait operations and latest developments," the statement posted by the official account of the Persian Gulf Strait Authority said.

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