; (ii) all structures and other improvements constructed, reconstructed, or nonroutinely maintained by that entity under the agreement or land use authorization on land owned by the United States shall be the property of the United States; and (iii) the eligible entity shall be solely responsible for any cost associated with the decommissioning or removal of a capital improvement, if needed, at the conclusion of the agreement or land use authorization; and (G) be subject to any other terms and conditions determined to be necessary or appropriate by the Secretary concerned. (e) Land use fee retention A land use fee paid or revenue shared with the Secretary concerned under an agreement or land use authorization under this section shall be available for expenditure by the Secretary concerned for recreation-related purposes on the unit of Federal recreational lands and waters at which the land use fee or revenue is collected, without further appropriation. 137. Forest Service pay-for-performance projects (a) Definitions In this section: (1) Independent evaluator The term independent evaluator means an individual or entity, including an institution of higher education, that is selected by the pay-for-performance beneficiary and pay-for-performance investor, as applicable, or by the pay-for-performance project developer, in consultation with the Secretary of Agriculture, to make the determinations and prepare the reports required under subsection (e). (2) National Forest System land The term National Forest System land means land in the National Forest System (as defined in section 11(a) of the Forest and Rangeland Renewable Resources Planning Act of 1974 ( 16 U.S.C. 1609(a) )). (3) Pay-for-performance agreement The term pay-for-performance agreement means a mutual benefit agreement (excluding a procurement contract, grant agreement, or cooperative agreement described in chapter 63 of title 31, United States Code) for a pay-for-performance project— (A) with a term of— (i) not less than 1 year