The rules of global trade just hit a brick wall in the Persian Gulf. If you’re running a shipping company or managing a supply chain in 2026, the old maps don't work anymore. Iran's newly minted Persian Gulf Strait Authority (PGSA) has effectively turned the world’s most vital energy artery into a private toll road, and the bill isn't cheap.
I’m talking about a "pay-to-pass" protocol that's essentially a $2 million ransom note for a single tanker transit. It’s a move that flips seventy years of maritime law on its head. While the UN and Washington argue about the legality of "transit passage," the reality on the water is much simpler: pay the IRGC or risk your ship being seized—or worse.
Why the PGSA isn't just another tax
Most people think this is just a temporary war tax. It's not. This is a calculated, structural shift in how Iran exerts leverage. By establishing the PGSA, Tehran has formalized what used to be sporadic harassment into a bureaucratic machine.
The protocol requires every vessel to submit "transit applications" days in advance. We’re seeing forms that demand:
- Full beneficial ownership records (no more hiding behind shell companies).
- Comprehensive crew manifests including nationalities.
- Verification of insurance providers, specifically targeting those that aren't Western-aligned.
- The "Security Fee", which Lloyd’s List reports has already hit $2 million for a Suezmax tanker.
It’s a vetting system designed to weed out anyone with even a sniff of US or Israeli ties. If you're on the wrong list, you don't get a price—you get a drone strike or a boarding party.
The myth of the "Open" Strait
Don't listen to the diplomatic fluff coming out of Tehran about the strait being "open for business." It's open only to those who play by Iranian rules. Right now, there are roughly 1,500 commercial vessels sitting like ducks in the Persian Gulf. They’re "bottled up," as maritime analysts put it, because the risk of moving without PGSA approval is suicide for a hull's insurance policy.
The US launched "Project Freedom" earlier this month to escort ships through, but it’s been a mess. Six Iranian fast-attack boats were sunk, two US-flagged ships made it out, and then the whole thing was suspended. Why? Because the insurance markets don't care about military escorts if the ship still gets hit. When war risk premiums jump 400%, the "freedom of navigation" becomes an expensive theory that most CFOs won't touch.
Who is actually paying?
So far, only a handful of ships have dared the transit. Intelligence reports suggest at least nine vessels have cleared the strait since the PGSA went live.
- Friendly Partners: Ships from "aligned" nations like China, Pakistan, and Malaysia are reportedly getting smoother approvals.
- The $2 Million Club: One specific Liberia-flagged tanker, the Shenlong, reportedly paid $2 million for safe passage to Mumbai.
It’s a selective blockade. Iran is basically deciding who gets to keep their economy running and who doesn't.
The ripple effect on your wallet
If you think this is just an "oil problem," you’re missing the bigger picture. We’re talking about 20% of global LNG and a massive chunk of the world’s fertilizer exports.
- Energy: Brent crude is already hovering around $100. If this protocol holds through the summer, JP Morgan is predicting $120.
- Food Security: Gulf-origin fertilizers are stuck. This isn't just about gas prices; it’s about the cost of bread in 2027.
- Container Surcharges: A $2 million toll on a 20,000 TEU container ship adds a $100–$150 surcharge to every single container. Your next smartphone or car part just got more expensive because of a desk in Tehran.
The legal fantasy vs. the wet reality
International law (UNCLOS) says you can't tax an international strait. It says ships have "transit passage" rights that can't be suspended. Honestly, that doesn't mean anything when there's an IRGC drone hovering over your bridge.
The US is trying to maintain a blockade on Iranian ports, and this "pay-to-pass" system is Iran’s mirror image. It’s a "toll-for-a-toll" strategy. The most dangerous part? It’s setting a template. If Iran can monetize a global chokepoint, what stops Indonesia from doing it in the Malacca Strait? Or China in the Taiwan Strait?
What you need to do now
If you’re involved in maritime logistics or energy procurement, the "wait and see" approach is dead.
- Check your flag: If your vessel is flagged in a country currently seen as a US ally, you’re not getting through without a fight.
- Audit your insurance: Traditional P&I clubs are pulling war risk for the Hormuz zone. You need to see if your "safe passage" includes PGSA-sanctioned routes or if you’re effectively uninsured the moment you enter the gulf.
- Diversify the route: Saudi Arabia’s East-West pipeline to the Red Sea is maxed out at 7 million barrels a day. It’s the only real bypass, but it’s a bottleneck.
- Budget for the "Security Tax": If you have to move cargo, start accounting for that $2 million line item. It’s the new cost of doing business in the Middle East.
The PGSA isn't a glitch; it’s the new operating system. Either you pay the tax, or you find a very long way around.
Impact of the Strait of Hormuz closure on global oil prices
This video explains how the security tax and disruptions in the Strait of Hormuz are directly driving up global energy costs.
