President Donald Trump issued a warning Monday on Truth Social, claiming the U.S. Supreme Court received "the wrong numbers" in a pending case that challenges his authority to impose tariffs under emergency powers.

Trump said an adverse decision could lead to an economic "unwind" exceeding $3 trillion, calling it "an insurmountable National Security Event " that would be "devastating to the future of our Country — possibly non-sustainable."

The high court is set to review whether Trump’s use of the International Emergency Economic Powers Act (IEEPA) to levy tariffs on imported goods without additional congressional approval was lawful.

A ruling against Trump could require the government to refund billions of dollars in duties collected since 2024, potentially reshaping U.S. trade po

See Full Page