Utah Code Title 81. Utah Domestic Relations Code § 81-2-302. Marriage licenses--Use within state--Expiration

(2)(a) A license issued within this state by a county clerk may only be used within this state.

(b) A license is considered used within this state if the officiant is physically present in the state at the time of solemnization of the marriage.

(a) the parties to the marriage have a valid marriage license;

(b) each party to the marriage willingly, and without duress, declares their intent to enter into the marriage;

(c) each party to the marriage has filed all required affidavits with the county clerk that issued the marriage license as required under Subsection 81-2-303(4)(a);

(d) an officiant pronounces the parties as married; and

(e) at least two individuals 18 years old or older witness the declarations of intent and the pronouncement.