The “de minimis” exemption, which allowed duty-free entry of packages valued at less than $800, has been repealed by order of former President Donald Trump.

The administration's elimination of the so-called “de minimis” loophole has implications for businesses ranging from Etsy sellers to e-commerce behemoths.

As the United States ends a tariff exemption for small parcels on Friday, some retailers have stopped selling to US customers while others are seeking temporary workarounds in the hope the tariff rate may be reduced.