(1) Upon receipt of the marriage certificate, the clerk of the district court shall register the marriage. (2) Every person solemnizing a marriage who shall neglect to make and deliver to the clerk of the district court a certificate thereof within 30 days after having solemnized such marriage shall forfeit for such neglect a sum not less than $10 or more than $50; and any clerk of the district court who shall neglect to record such certificate so delivered within 1 month after its delivery shall forfeit the like penalty.
Registration Of Marriage
Mont. Code Ann. § 40-1-321, under Solemnization.
Mont. Code Ann. § 40-1-321