The Economic Times

Explained: IEEPA, the law Trump used for tariffs, and why the Supreme Court is reviewing it

The Supreme Court is deciding if Donald Trump had the power to use IEEPA to put tariffs on imports from China, Mexico, and Canada. Businesses like Costco challenged him. Experts say the law never meant for tariffs. The case will show if the president can control trade or if Congress must decide taxes and duties.