The measures build on ‌sanctions the US issued in April and last year, and the US has now sanctioned more than 200 individuals, entities, and vessels operating under Shamkhani, US Treasury said.

The US on Tuesday imposed new ‌sanctions aimed at boosting efforts to disrupt ​an Iranian shipping network that Washington ⁠says helps to evade previous sanctions on oil sales and other activities.The measures imposed ‌on the network of Mohammad Hossein Shamkhani represent the US ‌Treasury’s latest effort to ramp ‌up economic ⁠pressure on Tehran, the department ⁠said.The Shamkhani network is a “major force behind Iran’s oil exports and has expanded into global ​containerized shipping and commodities ‌trading,” Treasury said.Treasury Secretary Scott Bessent said his department is “shutting down the financial infrastructure that allows ‌the regime to continue its threats ​to US national security and global shipping.”Iran’s mission to the United ⁠Nations did not immediately respond to a request for comment.The measures build on ‌sanctions the US issued in April and last year, and the US has now sanctioned more than 200 individuals, entities, and vessels operating under Shamkhani, Treasury said.The sanctions target individuals, ‌entities and vessels, while Treasury also allowed wind-down ​activities, limited safety and environmental transactions, and the offloading of ⁠cargo involving certain persons or vessels blocked on ⁠Tuesday, the department said.The sanctions block US assets of those designated ‌and prevent Americans from doing business with them.Published on July 15, 2026