States Forest Service, and the local coordinating entity. (d) Local coordinating entity The Secretary shall designate a willing local unit of government, Indian tribe, or a nonprofit organization to serve as the coordinating entity for the Heritage Area within 120 days of the date of the enactment of this Act. 5. Management plan (a) In general Not later than 3 years after the date of the enactment of this Act, the local coordinating entity shall submit to the Secretary for approval a proposed management plan for the Heritage Area. (b) Requirements The management plan shall— (1) incorporate an integrated and cooperative approach for the protection, enhancement, and interpretation of the natural, cultural, historic, scenic, and recreational resources of the Heritage Area