President Donald Trump has threatened to pile an additional 40% tariff on any product that Washington determines to be “transshipped” through another country, a punishment aimed at stopping goods mainly from China dodging US duties.

The U.S. Court of Appeals for the Federal Circuit in Washington, D.C., will consider the legality of "reciprocal" tariffs that Trump imposed on a broad range of U.S. trading partners in April, as well as tariffs imposed in February against China,

U.S. President Donald Trump slapped steep tariffs on exports from dozens of trading partners including Canada, Brazil, India and Taiwan, pressing ahead with his plans to reorder the global economy ahead of a Friday trade deal deadline.

President Donald Trump signed an executive order Thursday, slapping tariffs on most of America's trading partners set to take effect next week.

China is facing an August 12 deadline to reach a durable tariff agreement with Trump's administration, after Beijing and Washington reached preliminary deals in May and June to en