An Illinois Costco member is taking the wholesale giant to court, demanding the company pass along tariff refunds to the customers who actually paid the price.
Matthew Stockov filed a lawsuit Wednesday in Illinois federal court against Costco, seeking tariff-related refunds plus interest in what could become a class-action case. The suit comes after the Supreme Court last month ruled that President Donald Trump's IEEPA tariffs exceeded his presidential authority, and the Court of International Trade subsequently ordered the federal government to return roughly $166 billion in tariff revenue.
According to the New York Post, the case raises a question free-market advocates should find deeply familiar: when government imposes costs on commerce, who actually bears the burden? The answer, as Milton Friedman might have noted, is almost always the consumer — and this lawsuit makes that point explicitly.
Stockov's complaint lays out a straightforward theory. Costco, as the importer of record, is the entity eligible to receive refunds from the federal government. But the costs of those tariffs were passed directly through to shoppers like Stockov, who purchased food, electronics, household items, small appliances, and hygiene products imported from other countries.
The complaint states: "While the importer of record is the only party that may recover a refund from the government for an improperly assessed tariff, the importer is often nothing more than a pass-through vehicle." In other words, the retailer collected higher prices from customers to cover tariff costs, but only the retailer stands to get money back from the government.
The filing goes further, arguing: "The consumer, for all intents and purposes, pays the tariff. And yet, even when the Supreme Court strikes down an unlawful tariff, the truly injured parties possess no direct avenue for redress." That gap between who pays and who gets reimbursed is the heart of this legal fight.
Costco is among the hundreds of companies that last year sued the federal government directly for tariff refunds. The retailer has been proactive in seeking its own money back from Washington. But whether any of that money flows downstream to shoppers remains an open question.
During an earnings call last week, Costco CEO Ron Vachris said the company would "return this value to our members through lower prices and better values" if awarded a tariff refund. That language, however, stops short of promising direct refunds or rebates to individual customers — a distinction Stockov's lawsuit appears designed to force.
The broader refund landscape remains murky. While the Supreme Court last month struck down the tariffs, it did not specify or mandate a path for refunds to importers, businesses, or customers. It is unclear when or how the roughly $166 billion ordered returned by the Court of International Trade will actually be distributed.
Costco is not the only major corporation navigating this refund minefield. FedEx, which applied surcharges related to the tariffs, issued a statement soon after the Supreme Court ruling: "If refunds are issued to FedEx, we will issue refunds to the shippers and consumers who originally bore those charges." That's a notably more direct commitment than what Costco has offered.
United Parcel Service and EssilorLuxottica were also mentioned among companies that faced lawsuits last year related to tariff-driven costs. The pattern is clear — consumers and businesses downstream are unwilling to let importers pocket windfall refunds for taxes that were ultimately borne by end users. A group of Democratic senators, including Elizabeth Warren of Massachusetts and Cory Booker of New Jersey, last month pressed the Trump administration for a clear plan for tariff refunds. The bipartisan concern underscores how messy the unwinding of these trade policies has become.
For Costco shareholders, this lawsuit introduces a new variable. If a class-action certification succeeds, the retailer could face obligations to distribute refund proceeds directly to members rather than channeling savings through vague promises of "lower prices and better values." That distinction matters for the company's bottom line and its operational flexibility.
For consumers who shop at major retailers selling imported goods, the case is worth watching closely. The fundamental economic principle at stake is simple: tariffs are a tax, and taxes are paid by someone. When those taxes are ruled unlawful, the refund should logically flow back to the party who actually paid, not stop at a corporate middleman.
This is a developing story with significant implications. Whether the courts ultimately side with consumers like Stockov or defer to retailers' discretion on how to handle refund proceeds could set a precedent for future trade disputes. In a system where roughly $166 billion is set to be returned, the stakes for everyday shoppers — and the companies they buy from — could not be higher.