; and (vii) an interpretive plan for the national heritage area; and (D) recommend policies and strategies for resource management that consider and detail the application of appropriate land and water management techniques, including the development of intergovernmental and interagency cooperative agreements to protect the natural, historical, cultural, educational, scenic, and recreational resources of the national heritage area. (3) Deadline If a proposed management plan is not submitted to the Secretary by the date that is 3 years after the date of enactment of this Act, the local coordinating entity shall be ineligible to receive additional funding under this section until the date on which the Secretary receives and approves the management plan. (4) Approval or disapproval of management plan (A) In general Not later than 180 days after the date of receipt of the management plan under paragraph (1), the Secretary, in consultation with State and tribal governments, shall approve or disapprove the management plan. (B) Criteria for approval In determining whether to approve the management plan, the Secretary shall consider whether— (i) the local coordinating entity is representative of the diverse interests of the national heritage area, including Federal, State, tribal, and local governments, natural and historic resource protection organizations, educational institutions, businesses, and recreational organizations; (ii) the local coordinating entity has afforded adequate opportunity, including public hearings, for public and governmental involvement in the preparation of the management plan