; and (ii) 65 percent of the total repayment obligation under the contract entered into under this subparagraph shall be repaid to the United States over a period of 50 years. (B) Inclusion Although the Secretary shall not condition the agreement to the contract entered into under subparagraph (A) on any other term, the contract may include other terms that are not less favorable to the contractor than contract numbered 16–WC–20–4838. . (b) Administration; effect (1) Compliance In implementing the amendments made by this section, the Secretary of the Interior shall comply with— (A) the National Environmental Policy Act of 1969 ( 42 U.S.C. 4321 et seq. ); (B) the Endangered Species Act of 1973 ( 16 U.S.C. 1531 et seq. ); and (C) all other applicable laws. (2) Effect None of the amendments made by this section— (A) modify any authority or obligation of the United States with respect to any Tribal trust or treaty obligation of the United States; (B) (i) create or determine any water right; or (ii) affect any water right or water right claim in existence on the date of enactment of this Act; or (C) authorize the use of Federal funds for the physical deconstruction of the Iron Gate, Copco 1, Copco 2, or John C. Boyle Dam located on the Klamath River in the States of California and Oregon.