 On May 30, 2007, the candidature was formalized by the Spanish Olympic Committee (SOC) with claims to be "radically new" and more prepared than the city's last attempt to host the Olympics.The IOC announced that seven cities—Baku, Chicago, Doha, Madrid, Prague, Rio de Janeiro, and Tokyo—were submitted by their respective NOCs to bid for the 2016 Olympic and Paralympic Games.The Madrid bid committee attended the 2016 Applicant Cities' Seminar in Lausanne, Switzerland, on October 18, 2007, where it learnt more about the bidding process.