Utah Code § 30-1-4.5 : — HUSBAND AND WIFEMARRIAGE —1-4.5 - Validity of marriage not solemnized TEXT PDF (1) A marriage which is not solemnized according to this chapter shall be legal and valid if a court or administrative order establishes that the marriage arises out of a contract between a man and a woman who: (a) are of legal age and capable of giving consent; (b) are legally capable of entering a solemnized marriage under the provisions of this chapter; (c) have cohabited; (d) mutually assume marital rights, duties, and obligations; and (e) who hold themselves out as and have acquired a uniform and general reputation as husband and wife. (2) (a) A petition for an unsolemnized marriage shall be filed during the relationship described in Subsection (1), or within one year following the termination of that relationship. (b) Evidence of a marriage recognizable under this section may be manifested in any form, and may be proved under the same general rules of evidence as facts in other cases. Utah Code § 30-1-4.5 Amended by Chapter 186, 2021 General Session ,§ 1, eff. 5/5/2021. Amended by Chapter 297, 2011 , 2011 General Session