; and (ii) administered by the Secretary in accordance with section 4. (C) Prohibition on use of eminent domain Nothing in this paragraph authorizes the use of eminent domain to acquire land or an interest in land. (D) Boundaries The boundaries of the Ocmulgee Mounds National Park shall reflect the land and interests in land acquired for the Ocmulgee Mounds National Park under subparagraph (A). (b) Establishment of Ocmulgee Mounds National Preserve (1) In general Effective on the date on which the Secretary publishes in the Federal Register a notice that the Secretary has determined that sufficient land within the area depicted as National Preserve Area on the Map has been acquired under paragraph (2) to constitute a manageable unit, there is established the Ocmulgee Mounds National Preserve in the State as a unit of the National Park System. (2) Land acquisition for Ocmulgee Mounds National Preserve (A) In general The Secretary may acquire land or any interest in land within the area depicted as National Preserve Area on the Map for inclusion in the Ocmulgee Mounds National Preserve by purchase from a willing seller, donation, or exchange. (B) Administration Any land or interest in land acquired under subparagraph (A) shall be— (i) incorporated into the Ocmulgee Mounds National Preserve