“ Final Adjustment— The amounts paid pursuant to subsection (a) shall be subject to adjustment following a final cost allocation by the Secretary upon completion of the construction of the Central Valley Project. In the event that the final cost allocation indicates that the costs properly assignable to the contractor are greater than what has been paid by the contractor, the contractor shall be obligated to pay the remaining allocated costs. ”

“ Design and Engineering Studies— The Secretary is authorized to conduct any design or engineering studies that are necessary to implement the Settlement. (f) Effect on Contract Water Allocations— Except as otherwise provided in this section, the implementation of the Settlement and the reintroduction of California Central Valley Spring Run Chinook salmon pursuant to the Settlement and section 10011, shall not result in the involuntary reduction in contract water allocations to Central Valley Project long-term contractors, other than Friant Division long-term contractors. ”

“ INTERIM ADMINISTRATION— The Secretary shall regulate the tribal water rights during the period beginning on the date of enactment of this Act and ending on the date on which the Tribes enact a water code under paragraph (1) . (c) Tribal Water Rights Not Subject to Loss— The tribal water rights shall not be subject to loss by abandonment, forfeiture, or nonuse. SEC. 10806. DUCK VALLEY INDIAN IRRIGATION PROJECT. (a) Status of the Duck Valley Indian Irrigation Project— Nothing in this subtitle shall affect the status of the Duck Valley Indian Irrigation Project under Federal law. ”

“ Effect on State Law— Nothing in this part shall preempt State law or modify any existing obligation of the United States under Federal reclamation law to operate the Central Valley Project in conformity with State law. (c) Use of Funds for Environmental Reviews— (1) DEFINITION OF ENVIRONMENTAL REVIEW— For purposes of this subsection, the term `environmental review' includes any consultation and planning necessary to comply with subsection (a) . ”

“ Fish and Wildlife Facilities— (1) IN GENERAL— In association with the development of the Project, the Secretary may use not more than 4 percent of amounts made available under subsections (a) , (b) , and (c) to purchase land and construct and maintain facilities to mitigate the loss of, and improve conditions for the propagation of, fish and wildlife if any such purchase, construction, or maintenance will not affect the operation of any water project or use of water. (2) NONREIMBURSABLE EXPENDITURES— Any amounts expended under paragraph (1) shall be nonreimbursable. ”

“ Upon adoption of such guidelines, the Secretary shall implement such assistance program, subject to the availability of funds appropriated for such purpose. (d) Cost Sharing— The Federal financial assistance provided to local agencies under subsection (a) shall not exceed— (1) 50 percent of the costs associated with planning, design, and environmental compliance activities associated with such a project; and (2) 50 percent of the costs associated with construction of any such project. ”

“ IN GENERAL— The contract authorized under paragraph (1) may allow the City to satisfy the repayment obligation of the City for construction costs of the Project on the payment of the share of the City prior to the initiation of construction. ”

“ LIMITATION— Nothing in this section precludes the tolling of any period of limitations or any time-based equitable defense under any other applicable law. (e) Effective Date— (1) IN GENERAL— The waivers and releases described in subsections (a) and (b) shall be effective on the date on which the Secretary publishes in the Federal Register a statement of findings documenting that each of the deadlines described in section 10701 (e) (1) have been met. ”

“ Statutory Interpretation— Nothing in this part shall be construed to affect the right of any Friant Division, Hidden Unit, or Buchanan Unit long-term contractor to use a particular type of financing to make the payments required in paragraph (3) (A) or (4) (A) of subsection (a) . ”

“ DEADLINE— The study under subparagraph (A) shall be completed prior to restoration of any flows other than Interim Flows. (2) REPORT— (A) IN GENERAL— The Secretary shall file a report with Congress not later than 90 days after issuing a determination, as required by the Settlement, on whether to expand channel conveyance capacity to 4500 cubic feet per second in reach 4B of the San Joaquin River, or use an alternative route for pulse flows, that— (i) explains whether the Secretary has decided to expand Reach 4B capacity to 4500 cubic feet per second ”

“ If that evaluation determines that any such migration past the barrier is caused by the introduction of the Interim Flows and that the presence of such fish will result in the imposition of additional regulatory actions against third parties, the Secretary is authorized to assist the Department of Fish and Game in making improvements to the barrier. ”