Utah Code Ann. § 59-10-516
(1)
(b) Except as provided in Subsection (1)(c):
(2) The commission may not impose a penalty under Section 59-1-401 during the extension period described in Subsection (1) on:
(b) a taxpayer other than a taxpayer described in Subsection (2)(a), if the taxpayer pays, on or before the return due date described in Section 59-10-514, an amount equal to the lesser of:
Amended by Chapter 367, 2021 General Session