Iran will announce Strait of Hormuz mechanism, collect fees, Iranian MP says

A senior Iranian lawmaker and Chairman of the Parliament's National Security and Foreign Policy Committee announced that Iran will unveil a mechanism to coll...

What Happened

A senior Iranian lawmaker and Chairman of the Parliament's National Security and Foreign Policy Committee announced that Iran will unveil a mechanism to collect transit fees from ships passing through the Strait of Hormuz via a "designated route."
Iran's Supreme National Security Council subsequently launched an official platform — the Persian Gulf Strait Authority (PGSA) — to manage ship transits and collect passage fees.
Vessels seeking to transit must apply through the PGSA, submitting ownership details, insurance, crew manifests, cargo declarations, and intended routing, with a permit issued only after fee payment.
No official public tariff has been released; however, some vessels have reportedly paid up to $2 million per transit, with payments made in Chinese yuan.
The United States, Gulf states, and European countries have uniformly rejected the legality of Iran's fee regime, asserting that free navigation through international straits must be maintained.

Static Topic Bridges

UNCLOS and the Transit Passage Regime

The United Nations Convention on the Law of the Sea (UNCLOS), concluded in 1982 and in force since 1994, is the primary international framework governing ocean use. Part III, Articles 37–44, establishes a special regime for "straits used for international navigation." Under this regime, all ships and aircraft enjoy a right of "transit passage" — continuous and expeditious passage — which shall not be impeded. Coastal states bordering such straits retain very limited regulatory rights (safety, environmental standards) but cannot impose charges for passage itself or suspend transit passage for any reason.

UNCLOS has been ratified by 171 states and the European Union.
Iran has signed UNCLOS but has not ratified it; the United States has neither signed nor ratified it.
Articles 38 and 44 specifically prohibit coastal states from impeding transit passage or imposing conditions on it beyond narrowly defined safety and environmental regulations.
Iran and Oman share sovereignty over the Strait's territorial sea; however, the strait's status as a route used for international navigation subjects it to the transit passage regime regardless of either state's domestic position.

Connection to this news: Because Iran has not ratified UNCLOS, it argues it is not bound by the transit passage regime. Most maritime nations disagree, treating the transit passage right as reflecting customary international law applicable to all states.

Strait of Hormuz — Strategic Geography and Energy Significance

The Strait of Hormuz, lying between Iran to the north and Oman to the south, connects the Persian Gulf with the Gulf of Oman and the Arabian Sea. It is approximately 167 km long, with a navigable width of roughly 21 nautical miles at its narrowest point.

Approximately 20.3 million barrels of petroleum and petroleum products transited the strait daily in 2024, representing more than one-quarter of total global seaborne oil trade and about one-fifth of global oil consumption.
Around one-fifth of global liquefied natural gas (LNG) trade also passes through the strait, primarily from Qatar.
The strait is the only maritime exit route from the Persian Gulf; there is no viable geographic alternative, making it uniquely non-substitutable among global chokepoints.
Major Persian Gulf oil exporters — Iran, Iraq, Kuwait, Saudi Arabia, and the UAE — depend on the strait for the bulk of their crude oil exports.

Connection to this news: Any mechanism that imposes costs or delays on transit — including a fee regime — directly affects global energy prices, supply chains of oil-importing economies (including India), and the strategic calculations of naval powers.

India's Energy Dependence and the Hormuz Factor

India imports approximately 87% of its crude oil requirements, with a significant share originating from Persian Gulf producers such as Iraq, Saudi Arabia, the UAE, and Kuwait — all of which route exports through the Strait of Hormuz. Any disruption or additional cost imposed on passage directly affects India's import bill, inflation (especially in petroleum products and fertilisers), and current account balance.

India is the third-largest oil consumer and third-largest oil importer in the world.
The Gulf region accounts for approximately 60% of India's crude oil imports by volume.
India has been diversifying suppliers towards Russia, the United States, and African nations partly to reduce concentration risk in Gulf supply routes.

Connection to this news: A Hormuz transit toll, even if eventually struck down legally, raises short-term uncertainty for Indian energy planners and tanker operators sourcing from the Gulf.

Territoriality, Sovereign Rights, and Geopolitical Context

Iran's announcement is situated within broader US-Iran nuclear negotiations and regional tensions following military exchanges in 2025. The invocation of a transit fee is widely interpreted as a pressure tool in diplomatic negotiations rather than a permanent administrative measure, drawing on Iran's geography as leverage.

The 1979 Iranian Revolution severed Iran's relations with the United States; since then, periodic crises over nuclear enrichment, sanctions, and regional proxy conflicts have shaped US-Iran dynamics.
The 1988 Operation Praying Mantis (US-Iran naval clash in the Gulf) and the 2019 tanker seizures are historical episodes that illustrate the strategic value Iran places on control over the strait.

Connection to this news: The announcement coincided with ongoing diplomatic negotiations, suggesting the fee mechanism functions as a coercive bargaining chip rather than a purely revenue-generating measure.

Key Facts & Data

Strait of Hormuz width at narrowest: approximately 21 nautical miles (39 km)
Daily oil flow through the strait (2024): approximately 20.3 million barrels per day
Share of global seaborne oil trade: more than 25%
Share of global LNG trade transiting the strait: approximately 20% (primarily from Qatar)
UNCLOS Articles governing international straits: Articles 37–44 (Part III)
UNCLOS parties: 171 states + European Union (Iran is a signatory but has not ratified)
Reported fee per transit by some vessels: up to $2 million (paid in Chinese yuan)
Iran's fee-collection body: Persian Gulf Strait Authority (PGSA)
India's crude oil import dependency: approximately 87% of consumption
Gulf region share of India's crude imports: approximately 60%