(a) A debtor who disputes a debt shall explain why the debt is incorrect in fact or law within 30 days from the date that the initial demand letter was mailed. The debtor may support the explanation by submitting affidavits, statements certified under penalty of perjury, canceled checks, or other relevant evidence.

(b) The Board may extend the interest waiver period as described in § 1018.30(j) pending a final determination of the existence or amount of the debt.

(c) The Board may investigate the facts involved in the dispute and if necessary, the Board may arrange for a conference at which the debtor may present evidence and arguments in support of the debtor's positions.