Refunds, limitations, interest
(a) Where there has been an overpayment of any tobacco products tax imposed by this act, the amount of such overpayment shall be credited against any tobacco products tax then due from the taxpayer, and any balance of such excess shall be refunded to the taxpayer.
(b) The state tax commission is authorized and the state board of tax appeals is authorized to order the tax commission in proper cases to credit or remit, refund, and pay back all taxes and penalties erroneously or illegally assessed or collected, regardless of whether the same have been paid under protest, which claims for refund shall be certified to the state board of examiners by the state tax commission.
(c) No such credit or refund of taxes, penalties or interest paid, shall be allowed or made after three (3) years from the time the return was filed, unless before the expiration of such period a claim therefor is filed by the taxpayer with the commission.
(d) Interest shall be allowed on the amount of such credits or refunds at the rate provided in section 63-3045, Idaho Code, from the date such tax was paid.
(e) Appeal of a tax commission decision denying in whole or part a claim for refund shall be made in accordance with and within the time limits prescribed in section 63-3049, Idaho Code.