NextFin News - Iranian lawmakers have introduced a provocative legislative proposal to levy transit fees and "security taxes" on vessels passing through the Strait of Hormuz, a move that threatens to upend the legal and economic architecture of global maritime trade. The bill, championed by lawmaker Somayeh Rafiei on March 19, 2026, frames these charges as compensation for Iran’s role in maintaining the security of the waterway, which handles roughly 20% of the world’s petroleum liquids and a third of its liquefied natural gas (LNG).
The timing of the proposal is as significant as its content. It follows a week of escalating energy warfare in the Persian Gulf, including Israeli strikes on Iran’s South Pars gas facilities and subsequent Iranian retaliation against energy infrastructure in Qatar and Saudi Arabia. By floating the idea of a "Hormuz Toll," Tehran is signaling that it no longer views the strait merely as a strategic chokepoint to be threatened with closure, but as a sovereign asset to be monetized and used as a tool of economic statecraft against its regional and Western adversaries.
Under the proposed legislation, any country utilizing the strait for shipping energy or food supplies would be required to pay tolls to the Islamic Republic. This directly challenges the United Nations Convention on the Law of the Sea (UNCLOS), which guarantees the right of "transit passage" through international straits. While Iran has signed but never ratified UNCLOS, it has historically been bound by customary international law regarding free navigation. Imposing fees would effectively treat the strait as an internal canal, similar to the Suez or Panama canals, despite its status as an international waterway where the territorial waters of Iran and Oman overlap.
The economic fallout of such a levy would be immediate and inflationary. Shipping companies, already grappling with soaring insurance premiums due to the ongoing conflict, would likely pass these costs directly to consumers. For major energy importers like China, India, and Japan—who rely heavily on the Persian Gulf—the toll represents a permanent "Iran tax" on their energy security. Furthermore, the proposal creates a dangerous precedent: if Iran successfully monetizes a global chokepoint, other nations bordering strategic narrows may be tempted to follow suit, fragmenting the global commons of the high seas.
U.S. President Trump’s administration, which has maintained a policy of "maximum pressure" and military deterrence in the region, now faces a complex dilemma. A military response to enforce freedom of navigation risks a full-scale regional war, yet allowing the fees to stand would concede Iranian control over the world’s most vital energy artery. Regional neighbors, particularly Saudi Arabia and the UAE, view the move as an attempt to "reshape Iran’s role" in the waterway, as suggested by Iranian official Mohammad Mokhber. This legislative push is less about revenue and more about establishing a new status quo where Tehran dictates the terms of trade in the Gulf.
The proposal is currently moving through the Iranian parliament, and its implementation remains contingent on the broader trajectory of the conflict. However, the mere introduction of the bill has already rattled global energy markets. If enacted, the "Hormuz Toll" would transform the strait from a shared transit route into a contested toll booth, forcing every vessel to choose between paying for "protection" or risking the consequences of non-compliance in a zone of active kinetic warfare.
Explore more exclusive insights at nextfin.ai.
