114 STAT. 724 PUBLIC LAW 106-260—AUG. 18, 2000 and services to the Indian tribe, on a reimbursable basis, including payment in advance with subsequent adjustment. The reimbursements received from those goods and services, along with the funds received from the Indian tribe pursuant to this title, may be credited to the same or subsequent appropriation account which provided the funding, such amounts to remain available until expended. Applicability. " (g) PROMPT PAYMENT AcT. —Chapter 39 of title 31, United States Code, shall apply to the transfer of funds due under a compact or funding agreement authorized under this title. "(h) INTEREST OR OTHER INCOME ON TRANSFERS.— An Indian tribe is entitled to retain interest earned on any funds paid under a compact or funding agreement to carry out governmental or health purposes and such interest shall not diminish the amount of funds the Indian tribe is authorized to receive under its funding agreement in the year the interest is earned or in any subsequent fiscal year. Funds transferred under this title shall be managed using the prudent investment standard. "(i) CARRYOVER OF FUNDS. — All funds paid to an Indian tribe in accordance with a compact or funding agreement shall remain available until expended. In the event that an Indian tribe elects to carry over funding from 1 year to the next, such carryover shall not diminish the amount of funds the Indian tribe is authorized to receive under its funding agreement in that or any subsequent fiscal year. "(j) PROGRAM INCOME. —All Medicare, Medicaid, or other program income earned by an Indian tribe shall be treated as supplemental funding to that negotiated in the funding agreement. The Indian tribe may retain all such income and expend such funds in the current year or in future years except to the extent that the Indian Health Care Improvement Act (25 U.S.C. 1601 et seq.) provides otherwise for Medicare and Medicaid receipts. Such funds shall not result in any offset or reduction in the amount of funds the Indian tribe is authorized to receive under its funding agreement in the year the program income is received or for any subsequent fiscal year. "(k) LIMITATION OF COSTS.— An Indian tribe shall not be obligated to continue performance that requires an expenditure of funds in excess of the amount of funds transferred under a compact or funding agreement. If at any time the Indian tribe has reason to believe that the total amount provided for a specific activity in the compact or funding agreement is insufficient the Indian tribe shall provide reasonable notice of such insufficiency to the Secretary. If the Secretary does not increase the amount of funds transferred under the funding agreement, the Indian tribe may suspend performance of the activity until such time as additional funds are transferred. 25 USC 458aaa-8. "SEC. 509. CONSTRUCTION PROJECTS. "(a) IN GENERAL.—Indian tribes participating in tribal self- governance may carry out construction projects under this title if they elect to assume all Federal responsibilities under the National Environmental Policy Act of 1969 (42 U.S.C. 4321 et seq.), the National Historic Preservation Act (16 U.S.C. 470 et seq.), and related provisions of law that would apply if the Secretary were to undertake a construction project, by adopting a resolution—
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