; (B) donation; (C) exchange; (D) cooperative agreement; or (E) easement agreement; and (2) may not acquire land or an interest in land by eminent domain. (e) Maintaining existing partnerships In carrying out this section, the Secretaries shall continue to maintain and develop working relationships with volunteer and nonprofit organizations that assist in the development, maintenance, and management of the Trail. (f) Reports Not later than September 30, 2024, and not later than the end of each fiscal year thereafter until the date on which the comprehensive development plan for the Trail is determined by the Secretary to be fully implemented, the Secretary shall submit to the Committee on Energy and Natural Resources of the Senate and the Committee on Natural Resources of the House of Representatives a report that includes the following: (1) A description of the progress of the Secretaries in acquiring land or interests in land to complete the Trail consistent with this Act. (2) The quantity of land or interests in land acquired during the fiscal year and the amount expended for the land or interests in land. (3) The quantity of land or interests in land planned for acquisition in the subsequent fiscal year and the estimated cost of the land or interests in land. (4) The estimated quantity of land or interests in land remaining to be acquired after taking into account the acquisitions under paragraphs (2) and (3). (5) The existing number of miles of the Trail on Federal land that need to be relocated to provide for— (A) maximum outdoor recreation potential; and (B) conservation and enjoyment of the nationally significant scenic, historic, natural, or cultural qualities of the areas through which the Trail passes.