President Trump's administration utilized a novel interpretation of IEEPA to impose sweeping tariffs, marking a significant shift in presidential authority over trade. By declaring various national emergencies, Trump expanded tariff powers beyond traditional boundaries. This approach has sparked numerous lawsuits questioning both the legality and constitutionality of such actions. Legal experts argue that Congress never intended IEEPA to cover tariffs, leading to debates over the delegation of congressional powers. As courts begin to weigh in, some rulings have already invalidated certain tariffs, suggesting that Trump's aggressive trade policies may face significant constraints. The outcome could redefine the scope of presidential power in trade matters and potentially revert to a more deliberate legislative process.