; (ii) vegetative treatments; (iii) structural practices and measures; (iv) practices to increase carbon sequestration; (v) practices to improve biological diversity; and (vi) other practices and measures, as determined by the Secretary. (2) Financial assistance (A) In general The Secretary shall provide financial assistance to owners of eligible land to carry out the activities, practices, and measures described in the forest reserve easement plan developed for the eligible land under paragraph (1). (B) Payments With respect to financial assistance provided under subparagraph (A), the Secretary shall— (i) in the case of a permanent easement, pay an amount that is not more than 100 percent of the eligible costs described in subparagraph (C), as determined by the Secretary; and (ii) in the case of a 30-year contract, a 30-year easement, or an easement for the maximum duration allowed under applicable State laws, pay an amount that is not less than 50 percent, and not more than 75 percent, of the eligible costs described in subparagraph (C), as determined by the Secretary. (C) Eligible costs Costs eligible for payments under this paragraph are the costs of activities, practices, and measures referred to in subparagraph (A) that are associated with the initial restoration or enhancement of the required habitat conditions for the applicable species. (D) Timing of payments Payments under this paragraph shall be made— (i) only on a determination by the Secretary that an activity, practice, or measure described in subparagraph (C) has been established in compliance with appropriate standards and specifications