Utah Code Title 10. Utah Municipal Code § 10-3-705. Requirements as to form--Effective date

Ordinances passed or enacted by the governing body shall be signed by the mayor, or if he is absent, by the mayor pro tempore, or by a quorum of the governing body, and shall be recorded before taking effect. No ordinance shall be void or unlawful by reason of its failure to conform to the provisions of Subsection 10-3-704(1), (2), (3) or (4). Ordinances which do not have an effective date shall become effective 20 days after publication or posting, or 30 days after final passage by the governing body, whichever is sooner.