Utah Code § 59-5-106 — Interest and penalty -- Overpayments

(1)
In case of any failure to make or file a return required by this chapter, the penalty provided in Section 59-1-401 and interest at the rate and in the manner prescribed in Section 59-1-402 shall be charged and added to the tax. The amount so added to any tax, whether as a penalty, interest, or both, shall be collected at the same time and in the same manner and as a part of the tax.
(2)
An overpayment of a tax imposed by this chapter shall accrue interest at the rate and in the manner prescribed in Section 59-1-402.