Updated August 29, 2025 at 8:39 PM EDT

An appeals court ruled that most of President Trump's tariffs are illegal — but held off on enforcing the decision until mid-October, given expectations that it will be appealed to the Supreme Court.

The ruling from the U.S. Court of Appeals for the Federal Circuit, in Washington, D.C., focused on the "reciprocal" tariffs Trump imposed in April, as well as separate tariffs on China, Canada and Mexico that the administration put in place citing emergency powers granted under a 1970s-era law.

The court's decision does not impact other tariffs, authorized under different authorities, such as taxes on imported steel and aluminum.

The decision is nonetheless a blow for Trump's tariffs — which have become a defining economy policy of his current term,

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