Utah Code Ann. § 10-2-610
(3) The mayors of the municipalities to be consolidated shall:
(a) within 30 days after the canvass of an election at which voters approve consolidation, file with the lieutenant governor:
(b) upon the lieutenant governor's issuance of a certificate of consolidation under Section 67-1a-6.5:
(i) if the consolidated municipality is located within the boundary of a single county, submit to the recorder of that county the original:
Amended by Chapter 350, 2009 General Session