; and (2) be subject to an annual tribal government audit. 8. Repayment credit (a) In general The Administrator shall deduct from the interest payable to the Secretary of the Treasury from net proceeds (as defined in section 13 of the Federal Columbia River Transmission System Act ( 16 U.S.C. 838k ))— (1) in fiscal year 2030, $2,700,000; and (2) in each subsequent fiscal year in which the Administrator makes a payment under section 6, $2,700,000. (b) Crediting (1) In general Except as provided in paragraphs (2) and (3), each deduction made under this section for the fiscal year shall be— (A) a credit to the interest payments otherwise payable by the Administrator to the Secretary of the Treasury during the fiscal year in which the deduction is made