If voters approve Amendment 3 on Nov. 2, Article I, Section 29 of the Utah Constitution would read:

(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.

Political issue committees for Amendment 3:

• Constitutional Defense of Marriage Alliance, www.cdoma.org. This campaign is directed by Gayle Ruzicka, head of Utah Eagle Forum, and is co-chaired by the amendment's sponsors, Rep. LaVar Christensen, R-Draper, and Sen. Chris Buttars, R-West Jordan. They believe marriage is a state issue and is focusing on moral reasons to support Amendment 3.

• Yes! For Marriage, www.yesformarriage.org. Campaign president is Susan Roylance, founder of United Families International; board chairman is Brigham Young University law professor Richard Wilkins. This campaign is focused on scientific and legal reasons to support Amendment 3.

• Traditional Marriage Crusade, www.tfp.org. A branch of the American Society for the Defense of Tradition, Family and Property, based in Spring Grove, Pa. The group of Catholic Americans organized in 1973 to affirm the positive values of tradition, family and property.

• Utahns for a Better Tomorrow, an umbrella organization, which will officially launch on Oct. 5.

Political issue committee opposing Amendment 3:

• Don't Amend Alliance, www.dontamendalliance.com. Headed by Salt Lake City attorney Scott McCoy, the campaign is emphasizing the amendment's second sentence, with the slogan: "It Goes Too Far."