16 U.S.C. § 6235: Deposit and expenditure of use fees

(a) Deposit and availabilityUnless subject to section 580d of this title, use fees collected by the Secretary under this chapter shall be deposited in a special account in the Treasury and shall remain available to the Secretary for expenditure, without further appropriation until expended, for the purposes described in subsection (c). (b) TransferUpon request of the Secretary, the Secretary of the Treasury shall transfer to the Secretary from the special account such amounts as the Secretary may request. The Secretary shall accept and use such amounts in accordance with subsection (c). (c) UseUse fees deposited pursuant to subsection (a) and transferred to the Secretary under subsection (b) shall be expended for monitoring of Forest Service special use authorizations, administration of the Forest Service’s special program, interpretive programs, environmental analysis, environmental restoration, and similar purposes.