(2) where the authority is claiming the amount in a return for the particular reporting period and the Minister has not disallowed the amount as an input tax refund in assessing the fees, interest and penalties of the authority under the Act for that preceding reporting period:(a) the authority reports in writing to the Minister, on or before the time the return for the particular reporting period is filed, that the authority made an error in claiming that amount in determining the net tax of the authority for that preceding period; and
(b) where the authority does not report the error to the Minister at least 3 months before the expiration of the time limited by the second paragraph of section 25 of the Tax Administration Act (chapter A-6.002) for assessing the fees, interest and penalties of the authority for that preceding period, the authority pays, on or before the day the return for the particular reporting period is filed, that amount and any interest and penality payable to the Minister.