U.S. Chamber of Commerce and the Consumer Technology Association, Amici Curiae
The Chamber of Commerce is the world’s largest business federation, with more than 300,000 members. The Consumer Technology Association represents technology companies. The following is excerpted from the Amici Curiae Brief for Respondents as submitted to the U.S. Supreme Court on Sept. 23, 2025. For the first time, a president has claimed authority under the International Emergency Economic Powers Act (IEEPA) to issue tariffs on any country, in any amount and for any duration. Yet IEEPA does not mention “tariffs” or any other type of “duty.” And it lacks the language — and limits — that Congress has used in…
