TehranA statute, not a blockade, now targets Hormuz.
Tehran can tighten permitting by degrees, harder to counter than a single mining threat.
Iran signed but never ratified the UN Convention on the Law of the Sea, which grants transit passage a coastal state cannot suspend.
Brent crude was $93.26 a barrel as of Aug 11, down 3.8% over 7 days.
Sources: Mehr News Agency