In a case in which the amount provided to a grant recipient under paragraph (1)(A) is in excess of the amount that the recipient is entitled to receive for the academic year involved, the recipient shall return to the Secretary such excess amount not later than 30 days after the final determination that the school was overpaid pursuant to this section. The amount returned to the Secretary under this paragraph shall be distributed equally to all schools in the system.
The provisions of chapter 39 of title 31 shall apply to the payments required to be made by paragraphs (1), (3), and (4).
Paragraphs (1), (3), and (4) shall be subject to any restriction on amounts of payments under this chapter that are imposed by a continuing resolution or other Act appropriating the funds involved.
Notwithstanding any other provision of law, any interest or investment income that accrues to any funds provided under this chapter after such funds are paid to the Indian tribe or tribal organization and before such funds are expended for the purpose for which such funds were provided under this chapter shall be the property of the Indian tribe or tribal organization and shall not be taken into account by any officer or employee of the Federal Government in determining whether to provide assistance, or the amount of assistance, under any provision of Federal law. Such interest income shall be spent on behalf of the school.