The claim arrived attached to an explosion. Reporting the destruction of an oil tanker in the Strait of Hormuz on Sunday, the Tasnim news agency wrote that 'an oil tanker violating Iran's announced navigation route in the Strait of Hormuz exploded after striking a naval mine' [1].
It went on: Iran 'had repeatedly warned earlier that if ships deviate from the route announced by Iran, they will be responsible for the consequences' [1].
This newsroom is not reporting the incident itself, because almost nothing about it can be verified. The vessel has not been named. Its flag, operator and crew are unknown. No casualty figure has been confirmed, no maritime authority has issued an advisory, and there was no immediate statement from Iranian authorities [2]. The account traces to Defa Press, and no Iranian military or government body is named anywhere in it [1].
What can be examined is the doctrine. Deviation from a state-designated lane, on this account, transfers responsibility for a mine to the ship that struck it. That is a legal position, asserted through a news agency, about an international strait.
It has an institutional form already on the table. Oman's proposed two-corridor scheme would leave a southern corridor in Omani waters open under pre-war conditions, while a northern corridor in Iranian territorial waters would require vessels to request Tehran's permission [3].
Secretary of State Marco Rubio has said Iran 'has no legal authority' to control shipping through the strait, and that allowing it 'would set a dangerous international precedent.'
The precedent is not waiting on the negotiation. It is being established one unnamed hull at a time, in the language of a wire report.