Original: They will issue a comprehensive technical appraisal for IOC members one month before elections ; IOC Announces 2016 Summer Games Evaluation Commission the final selection will be made by the 115 voting members of the IOC membership on 2 October 2009 , in Copenhagen , Denmark .
Simplified: The final candidate cities were shortlisted in June 2008 , and the final selection will be made by the full IOC membership , on October 2 , 2009 , in Copenhagen , Denmark .