It is unclear exactly where the case goes from here as Washington faces potential refunds and diplomatic fallout.

The case is widely is expected to be appealed to the U.S. Supreme Court.

The appeals court stayed its ruling until Oct. 14, giving the Trump administration time to ask the Supreme Court to hear the case.

Full court rules Friday president’s claim of emergency is not enough to invoke law that permits bypassing Congress; case heads to Supreme Court.

The tariffs can remain in place until mid-October to allow the Trump administration time to request the Supreme Court take up the case.

US supreme court will now have to rule on issue of whether president overstepped authority in upending trade policy

The decision complicates Trump´s ambitions to upend decades of American trade policy completely on his own.

A US appeals court has ruled that most of Trump’s tariffs are illegal - so what happens now?

A federal appeals court said the president overstepped his authority when he imposed sweeping import duties

If the Supreme Court upholds the ruling, President Donald Trump would lose some, but not all, of his broad tariff powers.

It is unclear exactly where the case goes from here as Washington faces potential refunds and diplomatic fallout.

President Trump's court loss adds another layer of uncertainty to global shipping, from questions about refunds to status of trade deals and the tariff plan B.