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Costco sues Trump administration over tariffs, joining a refund queue

A person in a yellow jacket and blue jeans pushes a shopping cart past a group of other shopping carts toward the front entrance of a building with a large red and blue sign above it that reads "Costco Wholesale"
A shopper pushes a cart toward the entrance of a Costco warehouse in Colorado.
(
David Zalubowski
/
AP
)

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Costco now is one of the largest companies to sue the Trump administration over tariffs, hoping to secure a refund if the Supreme Court declares the new import duties illegal.

The Supreme Court is weighing the future of President Donald Trump's tariffs on nearly all imports. Justices seemed skeptical about their legality during last month's oral arguments. Lower courts previously had found Trump improperly used emergency economic powers to set most of the new levies.

Dozens of companies across industries have filed lawsuits to seek refunds in the event the Supreme Court finds Trump's tariffs illegal. The list includes makeup giant Revlon, the canned foods maker Bumble Bee and Kawasaki, which makes motorcycles and more. Now Costco has joined the queue.

"This is the first time we're seeing big companies take their heads out of the sand publicly," said Marc Busch, a trade law expert at Georgetown University. For the most part, small companies have been leading the legal action against tariffs, he said, adding, "It's nice to finally see some heavyweights joining in the fray."

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In its suit filed with the U.S. Court of International Trade, Costco did not specify how much it's already paid in tariffs, but the retail giant worries that even if the Supreme Court eventually unravels Trump's tariff regime, it may not be able to recoup all that money.

Costco executives in May had said that about a third of what is sold in the U.S. comes from abroad, predominantly non-food items.

NPR's Scott Horsley contributed to this report.
Copyright 2025 NPR

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