The Supreme Court 's 6-3 ruling on Friday that President Donald Trump 's tariffs imposed under the International Emergency Economic Powers Act (IEEPA) are unconstitutional was the first time the Court has issued a final ruling against a major Trump policy rather than a temporary stay. Chief Justice Roberts, joined by the three liberal justices and Trump appointees Neil Gorsuch and Amy Coney Barrett, found that IEEPA's authorization to "regulate" imports says nothing about tariffs, and that