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.