Marriage is a personal relation arising out of a civil contract between one man and one woman to which the consent of the parties is essential. The marriage relation may be entered into, maintained, annulled, or dissolved only as provided by law. A spouse refers only to a person of the opposite sex who is a husband or a wife.
N.D. Cent. Code § 14-03-01
What constitutes marriage - Spouse defined
Official source: North Dakota Legislative Branch. Reproduced from public-domain North Dakota statutes; confirm against the official source for the current text. Not legal advice.