 The International Olympic Committee ( IOC ) officially launched the bid process for the 2016 Summer Olympics and Paralympics on May 16 , 2007 . All then 203 National Olympic Committees ( NOCs ) were invited to submit the name of a city within their jurisdiction until September 13 , 2007 . On September 14 , the IOC recognized seven cities — Baku , Chicago , Doha , Madrid , Prague , Rio de Janeiro and Tokyo — which had been put forward by their respective NOCs to bid . On October 1 , 2007 , the Rio de Janeiro bid committee paid the required fee of USD 150 @,@ 000 to the IOC and signed the Candidature Acceptance Procedure . Soon after , from October 15 to 19 , Rio officials attended the 2016 Applicant cities ' Seminar organized by the IOC at the Olympic Museum in Lausanne , Switzerland , where they learnt more about technical areas that would be analyzed throughout the application process . On January 14 , 2008 , the seven Applicant cities returned documents , known as the Application Files , containing the answers and guarantees requested by the 2016 Candidature Acceptance Procedure , which provided to the IOC an overview of each city 's project . The responses were studied by the IOC Working Group for months and served as the basis to the shortlist of Chicago , Tokyo , Rio de Janeiro and Madrid on June 4 , 2008 , becoming Candidate cities during a meeting of the IOC Executive Board at the 2008 SportAccord Convention in Athens , Greece . 
 The International Olympic Committee ( IOC ) officially launched the bid process for the 2016 Summer Olympics and Paralympics on May 16 , 2007 . All then 203 National Olympic Committees ( NOCs ) <a href='uninflect' title='1'><mark>were</mark></a> invited to submit the name of a city within their jurisdiction until September 13 , 2007 . On September 14 , the IOC recognized seven cities — Baku , Chicago , Doha , Madrid , Prague , Rio de Janeiro and Tokyo — which <a href='been_done' title='2'><mark>had</mark></a> been put forward by their respective NOCs to bid . On October 1 , 2007 , the Rio de Janeiro bid committee paid the required fee of USD 150 @,@ 000 to the IOC and signed the Candidature Acceptance Procedure . Soon after , from October 15 to 19 , Rio officials attended the 2016 Applicant cities <a href='null_genetive' title='3'><mark>'</mark></a>Seminar organized by the IOC at the Olympic Museum in Lausanne , Switzerland , where they <a href='uninflect' title='4'><mark>learnt</mark></a> more about technical areas <a href='null_relcl' title='5'><mark>that</mark></a>would be analyzed throughout the application process . On January 14 , 2008 , the seven Applicant cities returned documents , known as the Application Files , containing the answers and guarantees requested by the 2016 Candidature Acceptance Procedure , which provided to the IOC an overview of each city <a href='null_genetive' title='6'><mark>'s</mark></a>project . The responses <a href='uninflect' title='7'><mark>were</mark></a> studied by the IOC Working Group for months and served as the basis to the shortlist of Chicago , Tokyo , Rio de Janeiro and Madrid on June 4 , 2008 , becoming Candidate cities during a meeting of the IOC Executive Board at the 2008 SportAccord Convention in Athens , Greece . 
Da International Olympic Committee ( IOC ) officially launched tdabid process for thda016 Summer Olympics and Paralympics on May 16 , 2007 . All then 203 National Olympic Committees ( NOCs ) was invited to submit the name of a city within their jurisdiction until September 13 , 2007 . On September 14 , the IOC recognized seven cities — Baku , Chicago , Doha , Madrid , Prague , Rio de Janeiro and Tokyo — which done been put forward by their respective NOCs to bid . On October 1 , 2007 , thedao de Janeiro bid committee paid the required fee of USD 150 @,@ 000 to the da and signed the Candidature Acceptance Procedure . Soon after , from October 15 to 19 , Rio officials attended the 2da Applicant cities  Seminar organized by the IOC at the Olympic Museum in Lausanne , Switzerland , where they learned more about technical areas would be analyzed throughout the apdacation process . On January 14 , 2008 , the seven Applicant cities returned documents , known as the Application Files , containing the answers and guarantees requested by the 2016 Candidature Acceptance Procedure , which provided to the IOCda overview of each city  project . The respdaes was studied by the IOC workin Group for months and served as the basis to the shortdat of Chicago , Tokyo , Rio de Janeiro and Madrid on June 4 , 2008 , becoming Candidate cities durin a meeting of the IOC Exdative Board at the 2008 SportAccord Convention in Athens , Greece .