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... The CBP's admission comes after the Supreme Court struck down the tariffs imposed by Trump under the International Emergency Economic Powers Act (IEEPA) last month. This week, the International Trade Court ruled that importers impacted by the tariffs are entitled to refunds with interest. The CBP estimates that it collected around $166 billion in IEEPA duties as of March 4th, 2026.

Companies like Nintendo, FedEx, and Costco have filed lawsuits against the US government in the International Trade Court, demanding refunds for the tariffs that the Supreme Court has deemed "illegal."

The CBP says it currently processes imports through its Automated Commercial Environment (ACE) system. In the filing, Lord says that using the department's existing technology, it would take more than 4.4 million hours to process refunds for the over 53.2 million entries with IEEPA duties. Despite these current limitations, the CBP says it's "confident" it can develop and launch new capabilities to "streamline and consolidate refunds and interest payments on an importer basis" -- but this could take 45 days. ...