May 19 (Reuters) - U.S. Trade Representative Jamieson Greer will host a meeting of G20 trade ministers in Wisconsin from September 30 to October 1, his office said, with talks to focus on forced labor, updating the Most-Favored Nation principle and global overcapacity.

President Donald Trump is scheduled to host the G20 leaders' summit in Miami on December 14-15 at Trump National Doral.