Treasury Department warns mariners of sanctions risks from Iranian organizations

The US Treasury Department is telling the global shipping industry to think twice before engaging with Iranian entities operating in the Strait of Hormuz, even if no money changes hands. An updated alert from the Office of Foreign Assets Control warns that simply responding to information requests from Iranian-linked organizations could expose companies to significant sanctions liability. The warning, issued on August 24, 2026, builds on an earlier notification from May 1. It names three Iranian entities specifically: the Persian Gulf Strait Authority (PGSA), the Persian Gulf Marine Insurance Company (PGMIC), and HormuzSafe Marine Services Authority. All three were designated under US sanctions programs in May and July 2026 for their role in sanctions evasion tied to Iran’s Islamic Revolutionary Guard Corps. The extortion playbook PGSA and its affiliated organizations demand vessel information, insurance payments, and tolls from ships passing through. Treasury Secretary Scott Bessent characterized the arrangement as an extortion tactic backed by the IRGC, designed to artificially manufacture danger and profit from selling protection against it. What makes this alert particularly no...