Costco has filed a high-stakes lawsuit against the administration of US President Donald Trump, demanding a full refund of all tariffs it was forced to pay this year, and seeking to block any further tariff collections until the legality of the levies is finally resolved.
The move comes as the United States Court of International Trade considers whether the sweeping tariffs imposed under the executive's emergency-powers decree are lawful, a decision that could reshape US trade policy for years.
