Montana Code Annotated
Part 1. General Provisions
15-53-146. Credit for overpayment -- interest on overpayment

15-53-146. Credit for overpayment -- interest on overpayment. (1) If the department determines that the amount of tax, penalty, or interest due for any year is less than the amount paid, the amount of overpayment must be credited against any tax, penalty, or interest then due from the taxpayer, with the balance being refunded to the taxpayer or its successor through reorganization, merger, consolidation, or its shareholders upon dissolution.
(2) Except as provided in subsection (3), interest must be allowed on overpayments at the same rate as is charged on deficiency assessments under 15-1-216 due from the date of the return or from the date of overpayment, whichever date is later, to the date on which the department approves crediting or refunding the payment.
(3) (a) Interest may not accrue during any period of processing a claim for a refund delayed more than 30 days by reason of failure of the taxpayer to provide information requested by the department for the purposes of verifying the amount of the overpayment.
(b) Interest is not allowed:
(i) if the overpayment is credited or refunded within 6 months from the date on which the return is due or from the date on which the return is filed, whichever date is later; or
(ii) if the amount of interest is less than $1.
History: En. Sec. 12, Ch. 426, L. 1999; amd. Sec. 32, Ch. 594, L. 2005.

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