; and (3) construction of the expanded Milk River Project, including the Pumping Plant, delivery pipe and canal, Fort Belknap Dam and Reservoir, and Peoples Creek Flood Protection Project. (b) Lead agency The Bureau of Indian Affairs shall serve as the lead agency with respect to any activities carried out under this section. (c) Consultation with the Fort Belknap Indian Community The Secretary shall consult with the Fort Belknap Indian Community on appropriate changes to the final design and costs of any activity under this section. (d) Funding The total amount of obligations incurred by the Secretary in carrying out this section, prior to any adjustment provided for in section 14(b), shall not exceed $415,832,153. (e) Nonreimbursability of costs All costs incurred by the Secretary in carrying out this section shall be nonreimbursable. (f) Administration The Assistant Secretary of Indian Affairs and the Fort Belknap Indian Community shall negotiate the cost of any oversight activity carried out by the Bureau of Indian Affairs under any agreement entered into under subsection (i), subject to the condition that the total cost for the oversight shall not exceed 3 percent of the total project costs for each project. (g) Project efficiencies If the total cost of planning, studies, design, rehabilitation, modernization, and construction activities relating to the projects described in subsection (a) results in cost savings and is less than the amounts authorized to be obligated, the Secretary, at the request of the Fort Belknap Indian Community, shall deposit those savings in the the Fort Belknap Indian Community Water Resources and Water Rights Administration, Operation, and Maintenance Account established under section 12(b)(2). (h) Treatment Any activities carried out pursuant to this section that result in improvements, additions, or modifications to the Fort Belknap Indian Irrigation Project shall— (1) become a part of the Fort Belknap Indian Irrigation Project