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(1) Any married person who, while still married, marries or cohabits in this state with another commits bigamy, unless as an affirmative defense it appears that at the time of the cohabitation or subsequent marriage:
(a) The accused reasonably believed the prior spouse to be dead; or
(b) The prior spouse had been continually absent for a period of five years during which time the accused did not know the prior spouse to be alive; or
(c) The accused reasonably believed that he was legally eligible to remarry.
(2) Bigamy is a class 6 felony.
18-6-202. Marrying a bigamist.
Any unmarried person who knowingly marries or cohabits with another in this state under circumstances known to him which would render the other person guilty of bigamy under the laws of this state commits marrying a bigamist, which is a class 2 misdemeanor.