The U.S. Customs and Border Protection (CBP) agency is facing a complex task: refunding billions of dollars in tariffs deemed illegal by the Supreme Court. This situation has sparked a legal battle, with officials heading to a federal trade court to negotiate a solution. The key issue revolves around the remaining chunk of the $166 billion in illegal tariffs, with the CBP already processing claims for nearly $90 billion in refunds. However, the real challenge lies in the more legally complicated and older liquidated tariffs, which smaller companies fear may not be worth the cost and effort to sue for. The CBP's resistance to the commissioner's appearance at the hearing and its argument about the Supreme Court's ruling on injunctions further complicate matters. To address this, companies are seeking a class certification, which could simplify the refund process for all importers. This case highlights the intricate nature of trade law and the potential consequences for businesses, especially smaller ones, caught in the crossfire of tariff disputes. The outcome will significantly impact the U.S. economy and international trade relations, underscoring the importance of careful legal maneuvering and the need for a comprehensive solution to this complex issue.