; and (5) identify any participating tribes that have terminated participation in the demonstration program and the circumstances of such terminations. (c) Audits The Secretary shall provide for audits among participating tribes to ensure that the final plans for such tribes are being implemented and complied with. Such audits shall include on-site visits with participating tribes and requests for documentation appropriate to ensure such compliance. 909. Termination of tribal participation (a) Termination of participation A participating tribe may terminate participation in the demonstration program under this title at any time, subject to this section. (b) Effect on existing obligations (1) No automatic termination Termination by a participating tribe in the demonstration program under this section shall not terminate any obligations of the tribe under agreements entered into under the demonstration program with the investor partner for the tribe or any other investors or contractors. (2) Authority to mutually terminate agreements Nothing in this title may be construed to prevent a tribe that terminates participation in the demonstration program under this section and any party with which the tribe has entered into an agreement from mutually agreeing to terminate such agreement. (c) Receipt of remaining grant amounts The Secretary shall provide for grants to be made in accordance with, and subject to the requirements of, this Act for any amounts remaining after use pursuant to section 906 from the allocation under title III for a participating tribe that terminates participation in the demonstration program. (d) Costs and obligations The Secretary shall not be liable for any obligations or costs incurred by an Indian tribe during its participation in the demonstration program under this title. 910. Final report Not later than the expiration of the 5-year period beginning on the date of the enactment of this title, the Secretary shall submit a final report to the Congress regarding the effectiveness of the