All Iranian airlines to shut down worldwide by Sept. 23, US Treasury chief says

 Operations of all Iranian commercial airlines will shut down globally beginning Wednesday, US Treasury Secretary Scott Bessent said Monday.

"On September 23rd, all the Iranian airlines will be shut down around the world," Bessent told US television network CNBC, outlining broad secondary sanctions aimed at isolating Tehran's civil aviation network.

Bessent explained that international hubs servicing Iranian planes would face complete exclusion from the American banking system. 

Foreign operators cannot refuel the aircraft, provide landing facilities, or sell passenger tickets without risking their access to dollar clearing, he warned.