; and (7) Federal agencies that serve as the management agency of national monuments, the National Park System, or the National Wildlife Refuge System have been entrusted with such properties to maintain and prioritize public access, including during a lapse in appropriations. 3. Definitions In this Act: (1) Covered unit The term covered unit means— (A) public lands; (B) units of the National Park System; (C) units of the National Wildlife Refuge System; (D) federally owned open air monuments and memorials; (E) units of the National Forest System; and (F) federally owned roads and off ramps on land described in subparagraphs (A) through (E). (2) Public land The term public lands has the meaning given that term in section 103 of the Federal Land Policy and Management Act of 1976 ( 43 U.S.C. 1702 ). (3) Secretary The term Secretary means— (A) the Secretary of the Interior, with respect to land under the jurisdiction of the Secretary of the Interior; or (B) the Secretary of Agriculture, with respect to land under the jurisdiction of the Secretary of Agriculture. (4) Eligible entity The term eligible entity means the several States, the District of Columbia, federally recognized Indian tribes, and territories and possessions of the United States, and political subdivisions thereof. 4. Agreement to operate and manage covered unit during government shutdown (a) In general Not later than 6 months after an eligible entity offers to enter into an agreement under this section, the Secretary shall enter into an agreement with that eligible entity under which the eligible entity shall assume, in whole or in part, activities to resume or continue operations and public access to any covered unit during any period when those activities would not otherwise be carried out because there is— (1) a lapse in available Federal funds for all or part of the covered unit as a result of a failure to enact a regular appropriations bill or continuing resolution