Utah Code Ann. § 59-12-2208
(1) Subject to the other provisions of this section, before imposing a sales and use tax under this part, a county, city, or town legislative body shall:
(3)
(a) Subject to Subsection (3)(b), the election required by this section shall be held:
(b)
(i) Subject to Subsection (3)(b)(ii), the county clerk of the county in which the opinion question required by this section will be submitted to registered voters shall, no later than 15 days before the date of the election:
(B)
(ii) The notice under Subsection (3)(b)(i) shall:
(6) If, after imposing a sales and use tax under this part, a county, city, or town legislative body seeks to impose a tax rate for the sales and use tax that exceeds or is less than the tax rate stated in the opinion question described in Subsection (2) or repeals the tax rate stated in the opinion question described in Subsection (2), the county, city, or town legislative body shall: