What Happened The Office of the United States Trade Representative (UTSR) on Aug. 13 unveiled its plans for implementing the additional tariffs on Chinese goods that U.S. President Donald Trump announced Aug. 1 . Washington has initially planned to place an additional 10 percent tariff on a list of Chinese goods worth roughly $300 billion in annual imports starting in September. But following a phone call between Chinese and U.S. trade negotiators, the White House is now planning to split the list of goods facing new tariffs into two tranches. The first tranche of tariffs will still go into effect on Sept. 1. This list includes mainly food products, industrial goods and other nonconsumer electronics — covering about $145 billion in imports. The second tranche of tariffs, meanwhile, will now go into effect Dec. 14.