U.S. Sanctions Iran’s Persian Gulf Strait Authority Controlling Hormuz Vessel Transit
28 May 2026

US Treasury Secretary Scott Bessent said Iran was trying to pressure global maritime trade by tightening control over the strait.
The U.S. Treasury, led by Secretary Scott Bessent, has imposed fresh sanctions on Iran’s Persian Gulf Strait Authority, citing attempts to manipulate global maritime trade through the Strait of Hormuz. This strategic choke point, vital for crude oil tankers and bulk carriers, faces heightened scrutiny as Iranian authorities tighten transit controls. These sanctions target entities facilitating vessel movements, potentially disrupting shipping lanes near Bandar Abbas and impacting commercial traffic flows that rely on secure passage through this critical international waterway.
These sanctions necessitate strict adherence to the International Maritime Organization’s ISPS Code, specifically Part A, Section 16, regarding ship security plans. Compliance departments must review SOLAS Chapter XI-2 requirements to ensure vessels maintain adequate security levels when transiting high-risk areas. Furthermore, adherence to the International Safety Management (ISM) Code is mandatory to mitigate operational risks associated with state-imposed transit restrictions. Failure to comply with these international maritime regulations could lead to severe legal repercussions, insurance coverage denials, and potential detention by port state control authorities.
Masters and navigating officers must exercise heightened situational awareness when planning voyages through the Strait of Hormuz. These rank groups are required to conduct rigorous risk assessments, update bridge procedures, and maintain constant communication with maritime security centers. It is essential to monitor real-time updates regarding vessel transit protocols and ensure that all security drills are documented to demonstrate compliance with international maritime security standards during potential inspections.
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