<h1>States Challenge Presidential Tariff Authority, Argue Unconstitutional Overreach of Executive Power Under International Emergency Economic Powers Act</h1> A dozen states filed a lawsuit against the administration in the US Court of International Trade, challenging the tariff policy as unlawful and economically disruptive. The states argue that only Congress has the power to impose tariffs and that the policy exceeds presidential authority under the International Emergency Economic Powers Act. They seek to declare the tariffs illegal and prevent their enforcement, claiming the policy creates economic chaos and undermines constitutional principles.