The United States has warned that it may impose sanctions on international financial institutions that engage in transactions with Iran or its banking system, according to a statement from the U.S. Treasury. The warning said such institutions could face penalties at any time, without notice, and urged them to stop these activities immediately. The Treasury also noted that the Iranian government is using parallel banking channels—alternative financial routes—to avoid U.S. sanctions and asked international banks to identify and steer clear of these methods. Earlier this year, the United States and Israel carried out attacks against Iran, targeting high-ranking officials and demanding that Iran stop all nuclear-related activities. In response, Iran took retaliatory actions against U.S. allies in the Gulf region. These tensions led to the closure of the Strait of Hormuz, a key shipping route, which caused increases in energy and fertilizer prices globally. Since late August, the U.S. has stepped up efforts to economically isolate Iran, warning its allies that they would face sanctions if they continued to conduct business with the Iranian government. As part of this strategy, the U.S. Treasury has introduced a series of new sanctions targeting several key sectors in Iran, including finance, cryptocurrency, railways, automotive, and manufacturing. These measures aim to weaken Iran's economy and limit its ability to conduct international trade. The Treasury has also taken action against two banks—one located in the United Arab Emirates and the other in Turkey—alleging that they have provided financial support to the Iranian government. The latest sanctions reflect the U.S. government's broader strategy to pressure Iran through economic means, aiming to force changes in its policies and behavior. By targeting financial institutions and key industries, the U.S. hopes to disrupt Iran's economy and reduce its capacity to engage in international commerce or develop its nuclear program.