Several U.S. states are demanding greater transparency and consumer protections after U.S. Customs and Border Protection began accepting applications last month for an estimated $166 billion in tariff refunds. 

While importers and brokers are now seeking repayment for duties collected under tariffs later struck down in court, critics say consumers, who absorbed much of the added cost through higher prices, may never see that money returned. 

Ediz Tiyansan reports from Los Angeles.

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