; (ii) to protect public health and safety; (iii) to respond to an emergency; or (iv) for the control of fire, insects, or diseases, subject to such terms and conditions as the Secretary determines to be appropriate; and (D) to the maximum extent practicable, to meet the purposes of this section, provide for the retention of large trees, as appropriate for the historic forest structure or promotion of fire-resilient stands. (3) Road maintenance (A) In general Subject to appropriations, the Secretary shall maintain existing roads determined by the Secretary, in consultation with the Tribe, to be necessary for authorized existing uses and the administration of a Zone. (B) Inclusion in memorandum of understanding The requirement under this paragraph shall— (i) not expire; and (ii) be included in any memorandum of understanding entered into under paragraph (1). (4) Withdrawal Subject to valid existing rights, all public land within a Zone, and all land and interests in land acquired by the United States within a Zone, shall be withdrawn from— (A) all forms of entry, appropriation, or disposal under the public land laws; (B) location, entry, and patent under the mining laws; and (C) operation of the mineral leasing, mineral materials, and geothermal leasing laws. (5) Deadlines To the maximum extent practicable, the Secretary shall— (A) not later than the date that is 1 year after the date of enactment of this section, ratify a memorandum of understanding under paragraph (1); and (B) not later than the date that is 3 years after the date of enactment of this section, complete a management strategy for the 1 or more Zones. (d) Requirements for implementation In carrying out this section, the Secretary shall, to the maximum extent practicable— (1) use all existing authorities available to the Secretary, including, as applicable— (A) the Tribal Forest Protection Act of 2004 ( Public Law 108–278 ; 118 Stat. 868); (B) the good neighbor authority under section 8206 of the Agricultural Act of 2014 ( 16 U.S.C. 2113a )