Utah Code Ann. § 59-2-1365
(1) Except as provided in Subsections (3) and (4), the county treasurer shall pay to the treasurer of each taxing entity in the county on or before the tenth day of each month:
(b) each taxing entity's proportionate share of money the county treasurer received during the preceding month for:
(2) Except as provided in Subsections (3) and (4), the county treasurer shall:
(b) make a final annual settlement on March 31 with each taxing entity, including providing the taxing entity a written statement for the most recent calendar year of the amount of:
(d) pay annually to each taxing entity in the county the interest earned on the invested money under Subsection (2)(c):
(3) Notwithstanding Subsections (1) and (2), a county may: