; and (ii) this subsection. (B) Investments The Secretary shall invest amounts in the Hualapai OM&R Trust Account in accordance with the laws and obligations described in clauses (i) through (iii) of subsection (b)(2)(B). (3) Availability of amounts Beginning on the date on which title to the Hualapai Water Project is transferred to the Hualapai Tribe under subsection (a)(6)(A), the Secretary shall make available to the Hualapai Tribe all amounts appropriated to, and deposited in, the Hualapai OM&R Trust Account. (4) Authorization of appropriations (A) In general Subject to subparagraph (B) and in addition to any amounts transferred from the Hualapai Water Project Account pursuant to subsection (b)(3)(B), there is authorized to be appropriated to the Secretary for deposit and retention in the Hualapai OM&R Trust Account $32,000,000, to remain available until expended. (B) Fluctuation in costs The amount authorized to be appropriated under subparagraph (A) shall be increased or decreased, as appropriate, by such amounts as may be justified by reason of fluctuations in applicable engineering cost indices occurring after February 29, 2016. 7. Waivers, releases, and retentions of claims (a) Hualapai Tribe (1) Claims against the State and others (A) In general Except as provided in subparagraph (C), the Hualapai Tribe, on behalf of the Hualapai Tribe and the members of the Hualapai Tribe (but not members in the capacity of the members as allottees) and the United States, acting as trustee for the Hualapai Tribe and the members of the Hualapai Tribe (but not members in the capacity of the members as allottees), as part of the performance of the respective obligations of the Hualapai Tribe and the United States under the Hualapai Tribe water rights settlement agreement and this Act, are authorized to execute a waiver and release of any claims against the State (or any agency or political subdivision of the State) and any other individual, entity, corporation, or municipal corporation under Federal, State, or other law