Utah Code § 10-2-601

(1) The process for consolidating municipalities shall begin by filing with the county legislative bodies of the respective counties in which the municipalities are located: (a) resolutions passed by the governing bodies of the municipalities which state their intention and desire to form a consolidated municipality; or (b) petitions signed by at least 10% of the registered voters in each of the municipalities to be included with the boundaries of the consolidated municipality. (2) (a) Within three business days after the day on which a county legislative body receives a petition under Subsection (1)(b), the county legislative body shall provide the petition to the county clerk. (b) Within 14 days after the day on which a county clerk receives a petition from the county legislative body under Subsection (2)(a), the county clerk shall: (i) use the procedures described in Section 20A-1-1002 to determine whether the petition satisfies the requirements of Subsection (1)(b); (ii) certify on the petition whether each name is that of a registered voter in one of the municipalities to be included within the boundaries of the consolidated municipality; and (iii) deliver the certified petition to the county legislative body. (3) (a) A voter who signs a petition under this section may have the voter's signature removed from the petition by, no later than three business days after the day on which the county legislative body provides the petition to the county clerk, submitting to the county clerk a statement requesting that the voter's signature be removed. (b) A statement described in Subsection (3)(a) shall comply with the requirements described in Subsection 20A-1-1003(2). (c) The county clerk shall use the procedures described in Subsection 20A-1-1003(3) to determine whether to remove an individual's signature from a petition after receiving a timely, valid statement requesting removal of the signature.