AUTHORIZATION OF APPROPRIATIONS.

SEC. 914. AUTHORIZATION OF APPROPRIATIONS. (a) Core System.—There is authorized to be appropriated $129,280,000 to the Bureau of Reclamation for the planning, design, and construction of the core system. The Tribal portion of the 116 STAT. 2869costs shall be 76 percent. The Authority’s portion of the costs shall be 24 percent. (b) On-Reservation Water Distribution Systems.—The Tribe shall use $10,000,000 of the $15,000,000 appropriated pursuant to the Chippewa Cree Tribe of the Rocky Boy’s Reservation Indian Reserved Water Rights Settlement and Water Supply Enhancement Act of 1999 (Public Law 106–163), plus accrued interest, in the purchase, construction, expansion or rehabilitation of the on-reservation water distribution systems. (c) Chippewa Cree Water System Operation, Maintenance, and Replacement Trust Fund.—For the Federal contribution to the Fund, established in section 913, there is authorized to be appropriated to the Bureau of Indian Affairs the sum of $7,500,000 each year for fiscal year 2005 and 2006. (d) Noncore System.—There is authorized to be appropriated $73,600,000 to the Bureau of Reclamation for the planning, design, and construction of the noncore system. (e) Cost Indexing.—The sums authorized to be appropriated under this section may be increased or decreased by such amounts as are justified by reason of ordinary fluctuations in development costs incurred after the date of enactment of this title, as indicated by engineering cost indices applicable for the type of construction involved.