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ARTICLE · 26 FEBRUARY 2026

United States Supreme Court Strikes Down Emergency Tariffs

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Today, the US Supreme Court released its decision in Learning Resources v. Trump, which addressed whether the president's emergency powers under the International Emergency Economic Powers Act...

CanadaInternational Law
Erica R. S. Goldman
Erica R. S. Goldman
T. Ryan Lax
T. Ryan Lax
Emma Huang
Emma Huang
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Today, the US Supreme Court released its decision in Learning Resources v. Trump, which addressed whether the president's emergency powers under the International Emergency Economic Powers Act (IEEPA) include the authority to impose tariffs. The majority of the Court held that the IEEPA does not give the president unilateral authority to impose tariffs on the basis of broadly-worded emergency powers.

What you need to know

  • The US Supreme Court struck down tariffs imposed by President Trump under the IEEPA, including tariffs imposed on Canada to address fentanyl trafficking, other country-specific tariffs imposed at various rates, and a global 10% baseline tariff.
  • Sector-specific tariffs on aluminum, autos, copper, lumber, steel, and other sectors remain in place.

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