Utah Code Ann. § 59-10-136
(1)
(a) An individual is considered to have domicile in this state if:
(b) The determination of whether an individual is considered to have domicile in this state may not be determined in accordance with Subsection (1)(a)(i) if the individual:
(i) is the noncustodial parent of a dependent:
(2) There is a rebuttable presumption that an individual is considered to have domicile in this state if:
(3)
(a) Subject to Subsection (3)(b), if the requirements of Subsection (1) or (2) are not met for an individual to be considered to have domicile in this state, the individual is considered to have domicile in this state if:
(b) The determination of whether an individual is considered to have domicile in this state under Subsection (3)(a) shall be based on the preponderance of the evidence, taking into consideration the totality of the following facts and circumstances:
(4)
(a) Notwithstanding Subsections (1) through (3) and subject to the other provisions of this Subsection (4), an individual is not considered to have domicile in this state if the individual meets the following qualifications:
(ii) during the time period described in Subsection (4)(a)(i), neither the individual nor the individual's spouse:
(c) For purposes of Subsection (4)(a), an absence from the state:
(i) begins on the later of the date:
(d) An individual shall file an individual income tax return or amended individual income tax return under this chapter and pay any applicable interest imposed under Section 59-1-402 if:
(e)
(ii) The commission shall waive the penalties under Subsections 59-1-401(2), (3), and (5) if an individual who is required by Subsection (4)(d) to file an individual income tax return or amended individual income tax return under this chapter:
(5)
(b) For purposes of this section, an individual is not considered to have a spouse if: