Tehran's top diplomat says indirect negotiations remain the only way to break the deadlock, as Iran's navy says it is analyzing data from a captured US underwater drone.
The National Security and Foreign Policy Commission finished reviewing legislation aimed at securing the Strait of Hormuz and supporting development in the Persian Gulf, a spokesperson said.
The Persian Gulf Strait management authority said charterers forcing vessels off approved paths through the Strait of Hormuz will be added to a non-compliance list.
Russian Foreign Minister Sergei Lavrov and the head of the Arab League discussed the situation in the Persian Gulf, along with crises involving the Palestinian-Israeli conflict, Lebanon and Syria, according to TASS.
The two sides also discussed maintaining political dialogue and expanding trade and economic cooperation, according to Russia's Foreign Ministry.
The measure would require the full name in all official negotiations, treaties, agreements and communications involving vessels and fleets.
Russian news agency TASS reports an American surveillance aircraft flew at high altitude over the waterway, citing an unnamed source.
A senior Islamic Revolution Guards Corps official said no vessel can move through the Persian Gulf, Strait of Hormuz, or Sea of Oman without Iranian monitoring.
Iran's state broadcaster says a commercial ship was struck near Hengam Island off southern Iran early Sunday.
Foreign Ministry spokesperson Esmaeil Baqaei pushed back on criticism linking a planned Iran-Persian Gulf states meeting to a drop in global oil prices, saying national interests guide diplomatic timing.
Barbara Slavin, a Distinguished Fellow at the Simpson Center, tells France 24 that neither Washington nor Tehran can claim success in the current standoff, citing rising costs on both sides.