Tariff Legal Challenge Resolved
IEEPA (Interstate Commerce Commission Improvement Act) does not mention tariffs; first use by a President.
Tariffs include 10% minimum and higher rates on imports from Mexico, China, Canada.
Smaller importers may face litigation for refunds.
Trump called ruling a 'disgrace' and backup plan is in place.
House voted to overturn tariffs in February.
Experts praised decision but noted more work needed.
4 hours ago