President Donald Trump has temporarily paused measures to close a tariff exemption on low-cost shipments from China while officials figure out how to tax the millions of packages that arrive in the US every day.

Ending tariff exemptions on low-cost packages from China has broad bipartisan support in Washington, and Trump pulled the plug when he raised tariffs on Chinese goods by 10% earlier this week. Goods sent through duty-free packages became subject not only to existing tariffs — 25% for many Chinese products — but also the new 10%.