{"data":{"id":"us-mt/40-1-403","jurisdiction":"us-mt","citation":"40-1-403","heading":"Validity of common-law marriage.","body":"Common-law marriages are not invalidated by this chapter. Declarations of marriage pursuant to 40-1-311 through 40-1-313, 40-1-323, and 40-1-324 are not invalidated by this chapter.","path":["TITLE 40. FAMILY LAW","CHAPTER 1. MARRIAGE","Part 4. Validity of Marriages -- Declaration of Invalidity"],"source_url":"https://mca.legmt.gov/bills/mca/title_0400/chapter_0010/part_0040/section_0030/0400-0010-0040-0030.html","current_through":"Montana Code Annotated 2025","vintage":"","retrieved_at":"2026-09-14T04:54:48Z","sha256":"4ca041062312f396045036560d1aaa6ea85c5bf37941ecb7785794a92575542d","source_id":"us-mt","stale":false,"prev":"us-mt/40-1-402","next":"us-mt/40-1-404"},"notice":"GroundRules: Original legal text. Not legal advice."}