The BIM Execution Plan is a living document that will continue to mature over the course of project deliverable and milestones. The BEP will be reviewed and approved by Client within fourteen days after the submitting of the BEP for review. The BEP also should include assumed roles and responsibilities of the team even if that party has not yet been identified, such as the construction team. Design and construction teams will identify for themselves and the persons that within their organizations responsible for managing the BIM(s), or portions of the BIM. Collaborative aspects of the Integrated Project Delivery (IPD) approach are to be harnessed in developing the BEP and IPP mentality.