; and (iii) 4 shall be representatives from private organizations. (B) Appointment Not later than 120 days after enactment of this Act, the co-chairpersons of the Task Force shall appoint members to the Task Force pursuant to subparagraph (A). (C) Term of appointment Members of the Task Force shall be appointed for the life of the Task Force. (D) Vacancy Any vacancy occurring in the membership of the Task Force shall be filled in the same manner in which the original appointment was made. (E) Co-chairpersons The Director of the Office of Science and Technology Policy and the Director of the National Sciences Foundation, or their designees, shall be the co-chairpersons of the Task Force. If the role of the Director of the National Science Foundation is vacant, the Chair of the National Science Board shall act as a co-chairperson of the Task Force in lieu of the Director of the National Science Foundation. (F) Expenses for non-Federal members Non-Federal members of the Task Force shall be allowed travel expenses, including per diem in lieu of subsistence, at rates authorized for employees under subchapter I of chapter 57 of title 5, United States Code, while away from their homes or regular places of business in the performance of services for the Task Force. (c) Roadmap and implementation plan (1) In general The Task Force shall develop a coordinated roadmap and implementation plan for establishing and sustaining a national artificial intelligence research resource. (2) Contents The roadmap and plan required by paragraph (1) shall include the following: (A) Goals for establishment and sus­tain­ment of a national artificial intelligence research resource and metrics for success. (B) A plan for ownership and administration of such resource, including— (i) an appropriate agency or organization responsible for the implementation, deployment, and administration of the resource