1. Short title This Act may be cited as the Rocky Mountain National Park Boundary Modification and Land Exchange Act . 2. Rocky Mountain National Park Boundary Modification (a) Definitions In this section: (1) Map The term map means the map entitled “Rocky Mountain National Park Proposed Boundary Revision”, numbered 121/154,327, and dated June 2019. (2) Non-Federal land The term non-Federal land means the approximately 40 acres of non-Federal land depicted as TR 05–133 on the map. (3) Secretary The term Secretary means the Secretary of the Interior. (b) Land acquisition The Secretary may acquire, by donation, the non-Federal land for inclusion in the Rocky Mountain National Park. (c) Boundary modification On acquisition of the non-Federal land under subsection (b), the Secretary shall— (1) modify the boundary of the Rocky Mountain National Park to include the acquisition