1. Short title This Act may be cited as the Caddo Lake National Heritage Area Act of 2018 . 2. Definitions In this Act: (1) Caddo Lake Heritage Area Commission The term Caddo Lake Heritage Area Commission means the management entity for the Heritage Area. (2) Heritage area The term Heritage Area means the Caddo Lake National Heritage Area established by section 3(a). (3) Management plan The term management plan means the management plan for the Heritage Area developed under section 4. (4) Map The term map means the map prepared under section 3(b). (5) Secretary The term Secretary means the Secretary of the Interior. (6) State The term State means each of the States of— (A) Louisiana; and (B) Texas. 3. Caddo Lake National Heritage Area (a) Establishment There is established in the States the Caddo Lake National Heritage Area. (b) Boundaries As soon as practicable after the date of enactment of this Act, the Secretary shall prepare a map depicting the boundaries of the Heritage Area. (c) Availability of map The map shall be on file and available for public inspection in the appropriate offices of— (1) the National Park Service; and (2) the Caddo Lake Heritage Area Commission. (d) Caddo Lake Heritage Area Commission The Caddo Lake Heritage Area Commission shall— (1) serve as the management entity for the Heritage Area; (2) oversee the development of the management plan; and (3) be governed by a board of directors that shall— (A) include members that represent a geographic balance across the applicable counties and the States; (B) be composed of not fewer than 7, and not more than 15, members elected by the membership of the Caddo Lake Heritage Area Commission; (C) be selected to represent a balanced group of diverse interests, including— (i) the forest industry; (ii) the energy or mineral resources industry; (iii) environmental interests; (iv) cultural heritage interests; (v) tourism interests; and (vi) regional agency partners; (D) exercise all corporate powers of the Caddo Lake Heritage Area Commission