In the letter, dated March 22, the Iranians define "non-hostile" ships as those from countries that "neither participate nor support acts of aggression against Iran" posed by the U.S. and Israel. The letter goes on to say that non-hostile vessels passing through the strait must "

The claim that Iran, in a letter dated March 22, defines "non-hostile" ships as those from countries that neither participate in nor support acts of aggression against Iran by the U.S. and Israel, and states that such vessels may transit the Strait of Hormuz, is consistently supported by multiple recent reports. Although all sources are non-trusted and lack direct access to the original letter, they uniformly describe Iran’s communication to the International Maritime Organization outlining these terms. The claim aligns with Iran’s recent diplomatic messaging amid heightened tensions in the region. There is no indication of conspiracy or misinformation in these reports, but the absence of trusted, independent verification means the claim should be regarded as credible but pending further official confirmation.