; and (ii) to protect the natural features of the System unit that support recreation. (B) Timing (i) In general Except as provided in clause (ii), a comprehensive management plan described in subparagraph (A) shall be completed by not later than 3 years after the date of designation of the System unit, subject to the availability of funds and resources. (ii) Inadequate funds and resources If funds and resources are not available in accordance with clause (i), the applicable agency may complete the plan as part of the regular management plan revisions of the agency. (C) Review A comprehensive management plan described in subparagraph (A) shall be regularly reviewed and updated as part of the regular land management planning process of the applicable agency. (D) Management by Secretary The Secretary shall manage each National Recreation Area in accordance with the management plan for the National Recreation Area in effect at the time of the designation, to the extent the plan is consistent with this Act and the Act designating the National Recreation Area, until the plan is revised or superseded by a new comprehensive management plan issued in accordance with this subsection. (E) Requirements A comprehensive management plan prepared under subparagraph (A) shall— (i) identify the existing, and to the extent practicable, prospective remarkable recreational and other important values of the System unit; (ii) ensure the System unit is managed to protect and enhance purposes for which the System unit was established; (iii) ensure the System unit is managed to protect and enhance the resources that make the area suitable for designation under subsection (c)(2) in accordance with subsection (a); (iv) be coordinated with resource management planning for affected adjacent Federal land; (v) be prepared— (I) in accordance with the Federal Land Policy and Management Act of 1976 ( 43 U.S.C. 1701 et seq.) or section 14 of the National Forest Management Act of 1976 ( 16 U.S.C. 472a ), as applicable