Multinational retail giant Costco has sued the US government to secure a full refund of import duties if the Supreme Court rejects President Donald Trump's authority to impose tariffs without congressional approval.

Costco (COST.O) has sued the U.S. government to ensure it will receive refunds if the Supreme Court rejects President Donald Trump's bid for sweeping authority to impose tariffs.

If you're a Costco member, you're no stranger to a nice discount, it's one of the things that makes that $65 per year worth the cost.