Utah Code Ann. § 17B-1-209
(2)
(a) No later than 35 days after the day on which a petition is filed, the clerk of each county whose unincorporated area includes and the clerk or recorder of each municipality whose boundaries include part of the proposed local district shall:
(3)
(a) Within 45 days after the filing of a petition, the responsible clerk shall:
(ii)
(A) if the responsible clerk determines that the petition complies with the applicable requirements:
(I)
(b)
(iii) If a petition described in Subsection (3)(b)(i) is approved as provided in that subsection, the responsible clerk shall, within 10 days after its approval:
(6)