The United States Soccer Federation (USSF), commonly referred to as U.S. Soccer, is the official governing body of the sport of soccer in the United States. With headquarters in Chicago, Illinois, the FIFA member governs U.S. amateur and professional soccer, including the men's, women's, youth, beach soccer, futsal and Paralympic national teams. U.S. Soccer sanctions referees and soccer tournaments for most soccer leagues in the United States. The U.S. Soccer Federation also administers and operates the Lamar Hunt U.S. Open Cup, which was first held in 1914.