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Emergency-powers tariffs exceeded IEEPA

Reporting and findings

  1. ruled unlawful

    The Supreme Court held that IEEPA does not authorize tariffs, affirmed the Federal Circuit judgment in V.O.S. Selections, and vacated the Learning Resources judgment only because tariff challenges belong in the Court of International Trade.

Summary and current status

The Supreme Court rejected Trump's attempt to derive an open-ended tariff power from the International Emergency Economic Powers Act.

Final Supreme Court judgment on IEEPA tariff authority.

People and organizations

Relationships in this file

  1. Donald J. Trumpimposed tariffs without IEEPA authorization2025 IEEPA tariff program

Figures

  1. IEEPA tariff policy rejected1 policy
    Calculation details
    Basis
    Observed
    Population
    The challenged IEEPA tariff policy resolved in Learning Resources and V.O.S. Selections
    Period
    2026-02-20 to 2026-02-20
    As of
    2026-02-20
    Method
    Count the challenged IEEPA tariff policy as one policy-level action after the Supreme Court held IEEPA does not authorize tariffs. Do not separately count countries, rates, implementing amendments, or the consolidated cases.
    Uncertainty
    Policy-level count, not the number of executive orders. Other statutory tariff authorities and subsequent tariff policies are excluded.