The Office of Foreign Assets Control (OFAC) is issuing this update to its May 1, 2026 alert to provide additional guidance in response to evolving Iranian threats to shipping and demands for “toll” payments and other requirements from the Government of Iran or its representatives in exchange for safe passage through the international Strait of Hormuz. U.S. and non-U.S. persons risk sanctions or penalties by engaging with the designated so-called Persian Gulf Strait Authority (PGSA), Persian Gulf Marine Insurance Company (PGMIC), and HormuzSafe Marine Services Authority (Hormuz Safe), including by accepting insurance or other services or responding to information demands for guarantees of safe passage, even if there is no associated payment or other exchange of value for these services.

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