1. Short title This Act may be cited as the Forest Service Flexible Partnerships Act of 2017 . 2. Authorization for lease of Forest Service sites (a) Definitions In this Act: (1) Administrative site (A) In general The term administrative site means— (i) any facility or improvement, including curtilage, that was acquired or is used specifically for purposes of administration of the National Forest System; (ii) any Federal land that— (I) is associated with a facility or improvement described in clause (i) that was acquired or is used specifically for purposes of administration of Forest Service activities; and (II) underlies or abuts the facility or improvement; and (iii) for each fiscal year, not more than 10 isolated, undeveloped parcels of not more than 40 acres each. (B) Exclusions The term administrative site does not include— (i) any land within a unit of the National Forest System that is exclusively designated for natural area or recreational purposes; (ii) any land within— (I) a component of the National Wilderness Preservation System; (II) a component of the National Wild and Scenic Rivers System; or (III) a National Monument; or (iii) any Federal land that the Secretary determines— (I) is needed for resource management purposes or to provide access to other land or water; or (II) would be in the public interest not to lease. (2) Facility or improvement The term facility or improvement includes— (A) a forest headquarters; (B) a ranger station; (C) a research station or laboratory; (D) a dwelling; (E) a warehouse; (F) a scaling station; (G) a fire-retardant mixing station; (H) a fire-lookout station; (I) a guard station; (J) a storage facility; (K) a telecommunication facility