(a) If the debtor disputes the claim, the debtor may request a review of NCUA's determination of the existence of the debt or of the amount of the debt. If only part of the claim is disputed, the undisputed portion should be paid by the payment due date.

(b) To obtain a review, the debtor shall submit a written request for review to the Executive Director within 15 calendar days after receipt of the Notice. The debtor's request for review shall state the basis on which the claim is disputed.

(c) The NCUA shall promptly notify the debtor, in writing, that the NCUA has received the request for review. The NCUA shall conduct its review of the claim in accordance with § 797.9.