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Iran Conflict 2026
25MAY

Iran writes Hormuz toll into statute

3 min read
13:55UTC
ConflictDeveloping

Iran's Islamic Consultative Assembly (the Majlis) is drafting legislation to formalise the strait of Hormuz toll as Iranian domestic law, with finalisation due next week, according to an unnamed lawmaker cited by Fars news agency. 1 The bill would codify what began as an IRGC field improvisation into statute, transforming a wartime military mechanism into a permanent legal claim over one of the world's critical waterways.

The significance of the timing cannot be overstated. IRGC Navy Commander Admiral Alireza Tangsiri, the man who personally built the toll and vetting system from scratch, was killed in an Israeli airstrike hours before this legislation was publicly confirmed. He was killed at 3am on Wednesday. By that afternoon, the Majlis legal committee in Tehran was drafting his toll system into permanent law. Twenty-six vessels have now transited under the IRGC vetting regime; operators submit IMO numbers, cargo manifests, and crew names to IRGC-connected intermediaries, receive a clearance code, and follow an approved route under escort past Larak Island. At least two paid in Chinese yuan. India continues to transit while denying it pays. 2

Iran's UN representative told the IMO this week that vessels linked to 'aggressor parties' have forfeited the right of innocent passage, the international law principle that merchant ships may transit straits freely. 3 Iran frames its vetting system not as a blockade but as legitimate self-defence, a framing designed to survive any post-ceasefire legal challenge.

The closest historical parallel is Egypt's 1957 Suez Canal nationalisation law, which survived the tripartite invasion and became the permanent legal basis for Egyptian canal authority. Iran appears to be following the same playbook: establish physical control during a crisis, then legislate before the crisis ends, so that any resolution begins from the new legal baseline rather than the pre-war status quo. The right of innocent passage existed for decades before this week. Iran told the IMO it no longer applies to hostile parties. If that position is codified in domestic law, every future negotiation over Hormuz will begin from the position that Iran holds a legal claim, not merely a physical one.

Deep Analysis

In plain English

Iran is writing a law that says it can permanently charge ships to pass through the Strait of Hormuz, not just during the war. About 20% of the world's oil travels through this narrow waterway. If that law passes, every barrel of oil, every container of goods, and every tonne of grain that moves through the strait costs more, because a toll gets baked into the price. That cost eventually lands on consumers worldwide in fuel prices, heating bills, and food costs. The clever part, from Iran's perspective, is that a law is much harder to undo than a military order: bombing a toll booth is one thing, repealing another country's legislation is something else entirely.

Deep Analysis
Root Causes

Iran is not merely closing a strait but creating a domestic legal framework that will require treaty-level renegotiation, not just military pressure, to dismantle.

The Majlis drafting process converts a wartime military mechanism into permanent domestic statute. Once codified, reversal requires legislative repeal, not military defeat.

The underlying structural cause is Iran's three-sided physical control of the strait, which no military operation can alter without permanent occupation.

First Reported In

Update #49 · Hormuz toll into law; Tangsiri killed

Bloomberg· 27 Mar 2026
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Different Perspectives
Lloyd's of London
Lloyd's of London
The Joint War Committee left Hormuz war-risk premiums at $10-14 million per voyage on 25 May, declining to move on Brent's 5% fall. The JWC's protocol requires a UN Security Council resolution or bilateral government certification letter before de-listing, and neither has arrived: a verbal understanding does not satisfy the formal condition the reinsurance market's treaty terms require.
Gulf Arab producers
Gulf Arab producers
Saudi Arabia and UAE depend on Hormuz for their own crude exports; Aramco CEO Nasser has warned no oil market recovery arrives until 2027 if the blockade continues past mid-June. Monday's $98.96 Brent settlement shortens nothing for Gulf producers without a signed instrument and a Pentagon mine-clearance timeline that runs up to six months post-ceasefire.
Qatar
Qatar
Qatar holds $12bn of frozen Iranian assets at the centre of the sequencing dispute but cannot release them without explicit US Treasury authorisation, given the original freeze was a US instrument. As the asset-holding state, Qatar's leverage is real but passive: it is the escrow holder, not the decision-maker, and any resolution requires US Treasury sign-off that Trump has withheld.
Pakistan
Pakistan
With both Prime Minister Sharif and army chief Munir simultaneously in Beijing on 25 May, Pakistan has for the first time consolidated its civilian and military mediation tracks under China's roof. Munir's direct Tehran-to-Beijing flight signals that the security and financial threads of the sequencing problem are now being worked in parallel rather than sequentially.
China
China
Beijing hosted Pakistan's principal mediators and Iran's China envoy Ghalibaf simultaneously on 25 May while its banking regulator capped new state-bank lending to five sanctioned refiners. China is simultaneously the most credible third-party underwriter of the $12bn sequencing and the state whose institutions face live OFAC secondary-sanctions exposure if the deadlock persists through GL V's expiry.
United States
United States
Trump posted on 24 May that the blockade holds until a deal is certified and signed, ruling out the informal MOU structure both sides had been building. The 'certified, and signed' condition is the first operational bar Trump has attached in 87 days, but it arrived without an executive instrument, maintaining the gap between posted ultimatum and signed US policy.