Eight Takeaways from the Supreme Court’s Tariff Ruling

On February 20, the U.S. Supreme Court ruled that the Trump administration’s tariffs issued under the International Emergency Economic Powers Act (IEEPA) are illegal. The ruling invalidates a big component of President Trump’s sweeping tariff program, including reciprocal tariffs and drug‑related tariffs on Canada, China, and Mexico. These measures were imposed under national emergency declarations.

While the Court did not explicitly order refunds to be paid — instead sending that decision to the lower courts — by some estimates this decision opens the door to potentially as much as $175 billion in tariff reimbursements to U.S. importers.

Here are some of our key takeaways.