Montana Code Annotated
Chapter 1. Marriage
Part 4. Validity of Marriages -- Declaration of Invalidity

40-1-401. Prohibited marriages -- contracts - 40-1-401. Prohibited marriages -- contracts. (1) The following marriages are...

40-1-402. Declaration of invalidity - 40-1-402. Declaration of invalidity. (1) The district court shall enter...

40-1-403. Validity of common-law marriage - 40-1-403. Validity of common-law marriage. Common-law marriages are not invalidated...

40-1-404. Putative spouse - 40-1-404. Putative spouse. A person who has cohabited with another...