Agency says process being worked out to mediate disbursement of $166bn in tariff costs to more than 330,000 importers.

A new 10% ad valorem customs duty on imported products from every country, introduced by Donald Trump, has taken effect for a period of 150 days, according to a notification from the US customs agency.

US customs agency says it cannot comply with tariff refund order  Reuters

The US customs agency has reported collecting $166 billion under the International Emergency Economic Powers Act (IEEPA) duties.