Japan Post Co. will suspend shipping of some small packages to the United States due to fresh tariffs imposed by the US government, in a sign of how President Donald Trump's levies may impact smaller businesses and individuals. The mail service will stop accepting parcels that include consumer goods for sale or gifts worth over $100 from Wednesday, after the U.S. revoked its tariff exemption on lower-value packages from across the world, according to a statement published on its website.