The Biden-Harris administration Friday acted to strengthen enforcement of laws to address abuse of the de minimis exemptions on items shipped from overseas, particularly from China.

Key Takeaways The Biden administration proposed new rules to limit a loophole around U.S. tariffs that are especially used by Chinese e-commerce firms.The de minimis exemption allows for imported products valued at less than $800 to avoid paying duties and processing fees.

White House officials attribute the more than fivefold increase from several years ago to the growth of Chinese e-commerce platforms such as Shein and Temu, and administration officials name-checked both of those popular fast-fashion retailers in a briefing with journalists on Thursday.

PDD (PDD) shares under pressure as U.S. government takes steps to stop Chinese merchants from exploiting de minimis exemption. Read more here.