Funding

(a) Mandatory appropriations Out of any money in the Treasury not otherwise appropriated, the Secretary of the Treasury shall transfer to the Secretary— (1) for deposit in the Zuni Tribe Water Rights Settlement Trust Account established under section 105(b)(1), $655,500,000, to remain available until expended, withdrawn, or reverted to the general fund of the Treasury; and (2) for deposit in the Zuni Tribe Operation, Maintenance, & Replacement Trust Account established under section 105(b)(2), $29,500,000, to remain available until expended, withdrawn, or reverted to the general fund of the Treasury. (b) Fluctuation in costs (1) In general The amount appropriated under subsection (a) shall be increased or decreased, as appropriate, by such amounts as may be justified by reason of ordinary fluctuations in costs, as indicated by the Bureau of Reclamation Construction Cost Index–Composite Trend. (2) Construction costs adjustment The amount appropriated under subsection (a) shall be adjusted to address construction cost changes necessary to account for unforeseen market volatility that may not otherwise be captured by engineering cost indices, as determined by the Secretary, including repricing applicable to the types of construction and current industry standards involved. (3) Repetition The adjustment process under this subsection shall be repeated for each subsequent amount appropriated until the applicable amount, as adjusted, has been appropriated. (4) Period of indexing The period of indexing adjustment under this subsection for any increment of funding shall start on January 1, 2022, and end on the date on which the funds are deposited in the Trust Fund. (c) State cost-Share Pursuant to the Agreement, the State shall contribute— (1) $750,000, for development and execution of monitoring plans pursuant to the Agreement; and (2) $500,000, to be deposited in an interest-bearing account, to mitigate impairment to non-Indian domestic and livestock groundwater rights as a result of new Tribal water use.