The United States is scheduled to announce a new set of economic sanctions against Iran on Monday, which Treasury Secretary Scott Bessent described as a significant financial offensive. The announcement, expected at approximately 2:00 p.m. ET, follows the expiration of a 60-day ceasefire agreement last Monday that had briefly lifted previous oil sanctions. In response to the anticipated measures, Iran’s currency reached a record low on Monday, and Iranian officials have warned of retaliation that could affect oil exports through the Strait of Hormuz.
The U.S. government previously reimposed sanctions after a disagreement regarding the Strait of Hormuz led to the collapse of the ceasefire deal last month. Washington has maintained various measures against Tehran for decades, including asset freezes and trade embargoes related to nuclear development and human rights. More recently, the U.S. has utilized a naval blockade and maritime energy sanctions to restrict Iranian oil exports.
The new measures are expected to target Iran's trading partners, particularly China, which purchases 80% of Iran's oil. Dr. Neil Quilliam of Chatham House stated that the U.S. will likely increase enforcement of secondary sanctions—penalties applied to third-party entities like banks and shipping operators—to make business with Iran more expensive. While Iran reported $7.5 billion in oil revenue during the first four months of the year, experts noted the country uses "shadow fleets" and alternative ports to bypass existing restrictions.
The scale of the economic pressure involves billions of dollars in trade. China, which accounts for 26.9% of Iran's trade, faces potential penalties on its "teapot" refineries, which comprise 25% of its refining capacity. Additionally, the U.S. Senate recently passed a bill that would grant the president new tariff powers against countries aiding Iranian commerce, though this awaits a vote in the House of Representatives. While the Treasury Department describes the measures as unprecedented, analysts suggest the actual economic impact may be delayed due to the lengthy timelines required to implement complex international sanctions.
The day-to-day operations of global finance and shipping will face increased scrutiny as the U.S. targets the commercial networks supporting Iranian exports. While the UAE reportedly cut some financial ties on Tuesday, other regional nodes like Iraq, Malaysia, and Turkey remain involved in these capital flows. The next steps include the formal unveiling of the sanctions details this afternoon and the pending legislative action in the House of Representatives, which will determine if the executive branch gains further tariff authorities.