Utah Code § 10-3-205: Election of officers in municipalities operating under a city council form of government.

Each municipality operating under a five-member or six-member city council form of government shall hold municipal elections to fill, for a term of four years, the following offices in the following years:

(1) in the year following a year in which a presidential election is held, the offices of:

(a) approximately half the council members; and

(b) except as provided in Subsection (2)(b), mayor; and

(2) in the year preceding a year in which a presidential election is held, the offices of:

(a) the remaining council members; and

(b) for a municipality that elected a mayor in 2015 for a term of four years, mayor.