Iran’s military is now tying access through the Strait of Hormuz to compliance with U.S. sanctions, opening a new and potentially wider flashpoint in the Gulf as Washington waits for Tehran’s answer to a peace proposal.

Iranian Army spokesperson Mohammad Akraminia said Sunday that vessels from countries complying with U.S. sanctions against Iran would “from now” face difficulties crossing the Strait of Hormuz, according to a Reuters report published by GMA News and attributed to Iran’s semi-official Tasnim news agency.

The statement matters because it reframes the Hormuz crisis from a broad military standoff into a selective transit threat. Instead of warning all shipping equally, Tehran is signaling that the political behavior of a ship’s flag state, owner, or sponsoring country could become part of whether a vessel moves safely through one of the world’s most important energy corridors.

Iran’s warning points to a sanctions-based transit test

Reuters reported that Iranian lawmakers are drafting a bill to formalize Iran’s management of the Strait of Hormuz, including language that could forbid passage to vessels from “hostile states.” That does not mean the bill has become law, and the details remain unclear. But the threat alone adds another layer of uncertainty for insurers, shipowners, energy traders, and navies trying to read Tehran’s next move.

The Strait of Hormuz is the narrow maritime passage between Iran and Oman that connects the Persian Gulf to the Gulf of Oman and the Arabian Sea. It is a critical route for Gulf crude oil and liquefied natural gas exports. Any attempt to screen, delay, or intimidate commercial traffic based on sanctions policy would create a direct challenge to freedom of navigation and could pull more countries into the crisis.

That is the new angle: Iran is no longer only threatening retaliation or warning about U.S. military action. It is floating a political filter for commercial passage through Hormuz.

The warning comes as peace efforts remain stuck

The transit threat landed while the United States was still waiting for Iran’s response to its latest peace proposal. CBS News reported that President Donald Trump said Saturday he expected to hear from Tehran “very soon,” after previously suggesting a reply could come Friday night.

CBS also reported that Qatari Prime Minister Sheikh Mohammed bin Abdulrahman bin Jassim Al-Thani met in Miami with Trump envoy Steve Witkoff and later with Secretary of State Marco Rubio to discuss efforts to end the Iran war. Qatar has played a central diplomatic role throughout the crisis, while Saudi Arabia has also been involved in ceasefire efforts.

Those talks are unfolding against a tense maritime backdrop. CBS cited U.S. Central Command as saying Saturday that 58 commercial vessels attempting to enter or leave Iranian ports through the Strait of Hormuz had been turned around under the U.S. blockade, with four vessels disabled while trying to pass through. Reuters’ Iran war tracker also reported that the Qatari LNG tanker Al Kharaitiyat was sailing toward the Strait of Hormuz after departing Ras Laffan for Pakistan.

Why this raises the stakes for shipping

For commercial operators, the practical problem is ambiguity. A blanket closure of the strait would be a clear crisis. A selective policy aimed at countries that enforce or support U.S. sanctions is murkier and harder to price. Shipowners would have to assess not just naval risk, but political risk tied to ownership, cargo, insurance, destination, and national policy.

That could slow traffic even without a formal blockade. Insurers may raise premiums. Charterers may avoid certain routes. Governments may face pressure to escort ships or clarify whether their vessels count as “hostile” under Iran’s proposed rules.

For Washington and its partners, the statement is also a test of deterrence. If Iran tries to turn sanctions enforcement into a shipping-risk category, the U.S. and allied navies may have to decide whether to treat delayed or threatened vessels as isolated incidents or as a coordinated challenge to the global maritime order.

What to watch next

The immediate question is whether Tehran’s warning becomes policy. The next signals will likely come from Iran’s parliament, the IRGC, maritime advisories, ship-tracking data, and any reports of vessels being delayed, challenged, or denied passage because of national sanctions policy.

The second question is diplomatic: whether Iran’s pending reply to the U.S. peace plan cools the Hormuz standoff or gives hardliners more room to escalate. For now, the ceasefire may be holding, but the shipping lane at the center of the crisis just became more politically combustible.

Sources: Reuters via GMA News, CBS News, Reuters Iran war tracker.

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Last Update: May 10, 2026