Utah

Amendment

H.J.R. 25 Enrolled

Article I, Section 29. [Marriage.]
(1) Marriage consists only of the legal union between a man and a woman.
(2) No other domestic union, however denominated, may be recognized as a marriage or given the same or substantially equivalent legal effect.
Section 2. Submittal to voters.
The lieutenant governor is directed to submit this proposed amendment to the voters of the state at the next regular general election in the manner provided by law.
Section 3. Effective date.
If the amendment proposed by this joint resolution is approved by a majority of those voting on it at the next regular general election, the amendment shall take effect on January 1, 2005.
(from Utah State Legislature website)

• Attorney General and Attornies General Candidates Statement, August 7, 2004 

Statutes

Marriage Protection Act (1995)

Validity of foreign marriages --Exceptions.
A marriage solemnized in any other country, state, or territory, if valid where solemnized, is valid here, unless it is a marriage:
(1) that would be prohibited and declared void in this state, under Subsection 30-1-2(1), (3), or (5); or
(2) between parties who are related to each other within and includingthree degrees of consanguinity, except as provided in Subsection 30-1-1 (2).

Utah Code Ann. § 30-1-4

Websites

Government Website
The Sutherland Institute
Marriage Law Foundation