Supply Chain Compliance: OFAC Transforms Iranian Tolls into a Critical Sanctions Trap

The operational landscape in the Strait of Hormuz has shifted from a problem of tactical logistical disruptions to a complex regulatory battleground. With international enforcement intensifying, commercial transits through this vital chokepoint now present severe regulatory liabilities for global supply chains.

The US Treasury’s Office of Foreign Assets Control (OFAC) triggered this shift by designating Iran’s newly established Persian Gulf Strait Authority (PGSA)-the entity collecting commercial transit tolls-as a Specially Designated Global Terrorist (SDGT) linked to the IRGC. For corporate compliance programs, the primary danger lies in the principle of strict liability applied to this designation. Because the legal framework eliminates the requirement of knowingly violating the law, a shipper can be held liable for standard freight payments if any portion of those funds is subsequently used upstream by a vessel owner or charterer to pay the Iranian authority. OFAC explicitly disregards the terminology used by foreign entities; whether the payment is framed as an environmental levy or an administrative allocation, it is legally treated as a prohibited financial transaction.

To mitigate this systemic exposure, commodity traders, refiners, and logistics executives must implement enhanced due diligence protocols prior to finalizing any shipping routes via Hormuz. Proactive maritime sanctions risk management now demands structural revisions to standard charter parties and freight contracts. Companies must incorporate absolute prohibitions against the reimbursement of vague administrative surcharges and require formal, written certifications from carriers stating that no funds will be transferred to the PGSA. Navigating these hidden financial risks requires continuous counterparty screening and structural compliance audits to protect the broader corporate infrastructure from devastating trade penalties.