16 U.S.C. § 8547

(a) Adjustments following use of allocation reviews On the completion of a use-of-allocation review conducted under section 8546(b) of this title for a special recreation permit described in paragraph (13)(A)(iv)(I) of section 6801 of this title (as amended by this title), the Secretary of Agriculture, acting through the Chief of the Forest Service, or the Secretary, as applicable, shall adjust the number of visitor-use days allocated to a recreation service provider under the special recreation permit as follows: (1) If the Secretary concerned determines that the performance of the recreation service provider was satisfactory during the most recent review conducted under subsection (a) of section 8546 of this title , the annual number of visitor-use days allocated for each remaining year of the permit shall be equal to 125 percent of the number of visitor-use days used, as determined under subsection (b)(2)(A) of that section, during the year identified under subsection (b)(2)(B) of that section, not to exceed the level allocated to the recreation service provider on the date on which the special recreation permit was issued. (2) If the Secretary concerned determines the performance of the recreation service provider is less than satisfactory during the most recent performance review conducted under subsection (a) of section 8546 of this title , the annual number of visitor-use days allocated for each remaining year of the special recreation permit shall be equal to not more than 100 percent of the number of visitor-use days used, as determined under subsection (b)(2)(A) of that section during the year identified under subsection (b)(2)(B) of that section. (b) Temporary reassignment of unused visitor-use days The Secretary concerned may temporarily assign unused visitor-use days, made available under section 8542(c)(1)(B) of this title , to— (1) any other existing or potential recreation service provider, notwithstanding the number of visitor-use days allocated to the special recreation permit holder under the special recreation permit held or to be held by the recreation service provider; or (2) any existing or potential holder of a special recreation permit described in clause (i) or (iii) of paragraph (13)(A) of section 6801 of this title (as amended by this title), including the public. (c) Additional capacity If unallocated visitor-use days are available, the Secretary concerned may, at any time, amend a special recreation permit to allocate additional visitor-use days to a qualified recreation service provider.