; 114 Stat. 1425), including conducting applicable feasibility studies, environmental reviews, and other relevant studies required to develop those plans. (B) Intermediate development phase The Secretary, in coordination with the State and the Yakama Nation, shall develop an intermediate development phase of the Integrated Plan, to commence not earlier than the date that is 10 years after the date of enactment of this Act. (C) Final development phase The Secretary, in coordination with the State and the Yakama Nation, shall develop a final development phase of the Integrated Plan, to commence not earlier than the date that is 20 years after the date of enactment of this Act. (3) Requirements The projects and activities identified by the Secretary for implementation under the Integrated Plan shall be carried out only— (A) subject to authorization and appropriation; (B) contingent on the completion of applicable feasibility studies, environmental reviews, and cost-benefit analyses that include favorable recommendations for further project development; (C) on public review and a determination by the Secretary that design, construction, and operation of a proposed project or activity is in the best interest of the public; and (D) in accordance with applicable laws, including— (i) the National Environmental Policy Act of 1969 ( 42 U.S.C. 4321 et seq.); and (ii) the Endangered Species Act of 1973 ( 16 U.S.C. 1531 et seq.). (4) Effect of subsection Nothing in this subsection— (A) shall be considered to be a new or supplemental benefit for purposes of the Reclamation Reform Act of 1982 ( 43 U.S.C. 390aa et seq.); (B) affects— (i) any contract in existence on the date of enactment of this Act that was executed pursuant to the reclamation laws; or (ii) any contract or agreement between the Bureau of Indian Affairs and the Bureau of Reclamation; (C) affects, waives, abrogates, diminishes, defines, or interprets any treaty between the Yakama Nation and the United States