; and (B) provide adequate staffing within Federal land management agencies to facilitate sustainable and accessible outdoor recreation opportunities; and (7) volunteers and volunteer partnerships play an important role in maintaining public land. I Modernizing Recreation Permitting 101. Definitions In this title: (1) Associated agency The term associated agency means the Federal land management agency, other than the lead agency, that manages a public land unit that is the subject of a single joint special recreation permit under section 106. (2) Lead agency With respect to a single joint special recreation permit application submitted under section 106(a), the term lead agency means the Federal land management agency designated to administer the single joint special recreation permit under section 106(a)(2). (3) Long-term special recreation permit The term long-term special recreation permit means— (A) for a public land unit managed by the Forest Service, a priority use permit; and (B) for a public land unit managed by the Bureau of Land Management, a multiyear special recreation permit. (4) Multijurisdictional trip The term multijurisdictional trip means a trip that— (A) uses two or more public land units; and (B) is under the jurisdiction of two or more Federal land management agencies. (5) Public land unit The term public land unit means— (A) a unit of the National Forest System; (B) a unit of the National Park System; (C) a unit of the National Wildlife Refuge System; (D) a district of the Bureau of Land Management; and (E) a project of the Bureau of Reclamation. (6) Recreation service provider The term recreation service provider has the meaning given the term in section 802 of the Federal Lands Recreation Enhancement Act ( 16 U.S.C. 6801 ). (7) Secretary concerned The term Secretary concerned means— (A) the Secretary of Agriculture, with respect to a public land unit described in paragraph (5)(A)