SCOTUS strikes down ‘Trump Tariffs’

In a blow to the Trump administration, the U.S. Supreme Court struck down executive authority to levy tariffs under the IEEPA

by Summer Lane | February 20, 2026

An anticipated decision from the U.S. Supreme Court on the issue of tariffs has finally been handed down.

In a 6-3 decision, SCOTUS ruled that President Donald Trump does not have the power to levy tariffs on foreign countries under the International Emergency Economic Powers Act (IEEP), throwing a wrench into a tariff-centered administration that has driven billions of dollars of revenue in less than a year.

In the 170-page decision, SCOTUS denied the president’s unilateral claim to the authority under the IEEPA to implement trade “regulation” and modify “importation.”

“Those words cannot bear such weight,” the majority opinion read.

In the court document, the majority affirmed that the power to levy taxes lies squarely under the authority of Congress, therefore constitutionally invalidating the use of executive authority on tariffs – although there will no doubt be robust debate now on the difference between taxing citizens versus tariffing non-citizens on issues of international trade.

Notably, President Trump’s tariff negotiations rested on the IEEPA, which allows the president to declare a specific national emergency and address national security threats, such as imposing tariffs.

SCOTUS noted in its decision that President Trump sought to address a major national security threat upon taking office in 2025: illegal drugs coming into the United States from Canada, Mexico, and China, as well as trade deficits. “Since imposing each set of tariffs, the President has issued several increases, reductions, and other modifications,” the court noted.

Further:

“We do not attempt to set forth the metes and bounds of the President’s authority to ‘regulate . . . importation’ under IEEPA. That ‘interpretive question’ is ‘not at issue’ in this case, and any answer would be ‘plain dicta…’Our task today is to decide only whether the power to ‘regulate . . . importation,’ as granted to the President in IEEPA, embraces the power to impose tariffs. It does not.”

The court also noted that the president, to assert such sweeping authority on the issue of levying tariffs, must “identify clear congressional authorization to exercise it.”

There may be other avenues for the Trump administration to explore the use of tariffs as it moves forward, but for now, SCOTUS’s decision stands:

“We claim no special competence in matters of economics or foreign affairs. We claim only, as we must, the limited role assigned to us by Article III of the Constitution. Fulfilling that role, we hold that IEEPA does not authorize the President to impose tariffs.”

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