Importers who have paid tariffs imposed under the International Emergency Economic Powers Act (IEEPA) should take immediate steps to preserve their eligibility for potential refunds. Multiple lawsuits are currently challenging the legality of these tariffs, and the Supreme Court is set to decide the issue in November. If the Court ultimately invalidates the tariffs, importers may be entitled to recover duties paid. However, securing refunds depends on preserving jurisdictional options—especially given the uncertainty about whether these tariffs constitute a protestable decision under customs law. There are three potential refund mechanisms at play.