A federal judge is considering whether the government must speed up and widen refunds of billions of dollars collected from tariffs imposed during the Trump administration. This judicial review unfolds amid the White House’s resistance to a broad repayment order at the U.S. Court of International Trade, focusing on how much money should be returned and which importers qualify.

The dispute revolves around tariffs declared unlawful by the Supreme Court, which ruled the administration overstepped its legal authority in applying wide-ranging tariffs under the International Emergency Economic Powers Act (IEEPA), intended only for emergency sanctions, not broad import taxes. However, the Court left unresolved the critical question of what happens to the funds already collected, leaving lower courts to determine refund policies and sparking ongoing litigation.

The Trump administration is contesting the broad mandate to refund all tariff payments, arguing it lacks the authority to issue mass repayments without separate orders for each importer. While refund processing has begun for some cases, officials contend many payments are finalized and should not be reopened, pushing back against Judge Richard Eaton’s earlier directive to refund all affected companies. Eaton’s March order called for swift and comprehensive refunds, but the administration’s stance threatens to slow the process significantly.

The stakes are substantial. Court filings indicate the government could owe as much as $166 billion in tariff refunds, with some estimates suggesting even higher liabilities depending on refund scope. The outcome of the case could determine whether businesses receive automatic refunds or must pursue individual legal claims, impacting the speed and scale of repayments and prolonging the legal conflict.

A key testimony from a U.S. Customs and Border Protection official is expected to outline government plans for managing these refunds. This testimony may influence how the court navigates the complex interplay between legal authority and practical refund administration while balancing fiscal responsibility with compliance to the judiciary.