{"data":{"id":"us-mt/28-2-409","jurisdiction":"us-mt","citation":"28-2-409","heading":"What constitutes mistake of fact.","body":"Mistake of fact is a mistake not caused by the neglect of a legal duty on the part of the person making the mistake and consisting in:\n(1) an unconscious ignorance or forgetfulness of a fact, past or present, material to the contract; or\n(2) belief in the present existence of a thing material to the contract which does not exist or in the past existence of such a thing which has not existed.","path":["TITLE 28. CONTRACTS AND OTHER OBLIGATIONS","CHAPTER 2. CONTRACTS","Part 4. Circumstances Which Affect Validity of Apparent Consent"],"source_url":"https://mca.legmt.gov/bills/mca/title_0280/chapter_0020/part_0040/section_0090/0280-0020-0040-0090.html","current_through":"Montana Code Annotated 2025","vintage":"","retrieved_at":"2026-09-14T04:50:43Z","sha256":"ec526ef1c162e4f906b036c9f3e8f922c7b0352b548455136a7dcaed7cd944b2","source_id":"us-mt","stale":false,"prev":"us-mt/28-2-408","next":"us-mt/28-2-410"},"notice":"GroundRules: Original legal text. Not legal advice."}