The reversal reflects the challenge that shipping and delivery companies will face as a result of President Trump’s executive order requiring greater inspection of packages.

The Postal Service said in a statement that the agency and the Customs and Border Protection are “working closely together to implement an efficient collection mechanism for the

It will likely impact online shopping destinations like Shein and Temu, popular with younger shoppers in the U.S. for cheap clothing and other products, usually shipped directly from China.