U.S. Treasury Secretary Scott Bessent announced new economic sanctions on Monday to pressure global partners to sever all financial ties with Iran.

The move signals a significant escalation in U.S. efforts to isolate the Iranian regime. By threatening to remove foreign entities from the U.S. dollar system, the Treasury is leveraging the global dominance of the dollar to force compliance from third-party nations.

Bessent labeled the initiative "Operation Economic Outcast" [2]. He said the new sanctions aim to block all potential sources of revenue for Iran [5]. The administration intends to target the financial infrastructure that allows the regime to bypass previous restrictions, specifically targeting money-laundering activities that fund the state [4].

The Treasury Secretary issued a direct warning to international banks and governments regarding the cost of non-compliance. "Any country or entity that facilitates money laundering on behalf of Iran will be removed from the U.S. dollar system," Bessent said [1].

This strategy employs secondary sanctions, which penalize non-U.S. persons or companies for engaging in trade with a sanctioned target. While the U.S. has long used such tools, the explicit threat of total removal from the dollar system represents a severe penalty for global financial institutions.

Officials said the goal is to stop the flow of capital that supports the regime's activities [4]. The Treasury did not specify which countries are currently under the most scrutiny, but the warning applies to any entity facilitating these transactions [1].

"Any country or entity that facilitates money laundering on behalf of Iran will be removed from the U.S. dollar system."

This policy shifts the burden of enforcement from U.S. agencies to global financial institutions. By making the cost of doing business with Iran the loss of access to the U.S. dollar, the Treasury is creating a high-stakes environment where international banks must choose between the Iranian market and the global financial system.