More than 330,000 importers paid up to $166bn in tariffs on 53 million shipments of imported goods.

A refund system for businesses that paid tariffs ruled unconstitutional by the U.S. Supreme Court is scheduled to launch Monday.

Trump administration launched online portal on Monday after supreme court struck down tariff policy earlier this year

Businesses can apply online through a portal for refunds expected to total $160bn.

More than 330,000 importers paid up to $166bn in tariffs on 53 million shipments of imported goods.

U.S. importers, such as Walmart and Target, could be in line for billions in tariff refunds as the government launches its claims-filing portal on Monday.

UPS and FedEx have begun filing requests for some tariff refunds through the government's refund process, but those funds could take months to reach customers.