The document outlines the application process for the Next Generation ACO Model, including critical dates such as the Letter of Intent (due May 1, 2015) and the application deadline (June 1, 2015). It details requirements for applicants, including the need to choose between the Next Generation ACO Model and the Shared Savings Program, as well as guidelines for providing necessary documentation and information about the applicants' organizational structure and financial plans. Additionally, the document cites the evaluation criteria for applications, emphasizing organizational integrity and clinical care models.