Union of South American Nations in Mitad del Mundo, Ecuador, where the cornerstone was laid for the headquarters of the General Secretariat of the Union. In April 2018, six countries suspended membership: Argentina, Brazil, Chile, Colombia, Paraguay and Peru. In August 2018, Colombia announced its withdrawal from the organization. At the Third South American Summit on 8 December 2004, presidents or representatives from 12 South American nations signed the "Cusco Declaration", a two-page statement of intent announcing the foundation of the South American Community. Panama and Mexico attended the signing ceremony as observers in Brazil. The mechanics of the new entity came out of the
2009 FEI Nations Cup Promotional League Final. Only teams from North and South America (without Meydan FEI Nations Cup-Teams) can count points in the Promotional League North and South America. The 2009 Promotional League North and South America consists only of the Nations Cup of the United States in Wellington, Florida. The Nations Cups of Canada and Argentina are because of time reasons part of the 2010 Promotional League North and South America. The two best-placed teams in the 2009 Promotional League Final move into the 2010 Meydan FEI Nations Cup. The national equestrian federation of Canada refrained the start in the Meydan FEI Nations Cup