Marriage consists only of the legal union between a man and a woman. No other domestic union, however denominated, may be recognized as a marriage or given the same or substantially equivalent legal effect.
Source for Popular Vote data: North Dakota Secretary of State. General Election - November 2, 2004, North Dakota Secretary of State (http://web.apps.state.nd.us/sec/emspublic/gp/electionresultssearch.htm?electionDate=11022004&searchType=STATE&officeElec) (accessed 17 Feb 2009)