(The Center Square) – Americans could be in for a surprise when a nearly century-old trade rule that allowed shoppers to avoid President Donald Trump's tariffs expires on Friday.

Those who have had an online order cancelled recently are already dealing with the consequences as countries around the globe figure out how to comply with the end of the exemption. Many foreign postal services temporarily paused shipments to the U.S. this week. 

Originally published on thecentersquare.com, part of the BLOX Digital Content Exchange.