{"data":{"id":"us-mt/m.-r.-evid.-701","jurisdiction":"us-mt","citation":"M. R. Evid. 701","heading":"Opinion testimony by lay witnesses.","body":"If the witness is not testifying as an expert, the witness' testimony in the form of opinions or inferences is limited to those opinions or inferences which are (a) rationally based on the perception of the witness and (b) helpful to a clear understanding of the witness' testimony or the determination of a fact in issue.","path":["TITLE 26. EVIDENCE","CHAPTER 10. MONTANA RULES OF EVIDENCE","Article VII. Opinions and Expert Testimony"],"source_url":"https://mca.legmt.gov/bills/mca/title_0260/chapter_0100/part_0070/section_0010/0260-0100-0070-0010.html","current_through":"Montana Code Annotated 2025","vintage":"","retrieved_at":"2026-09-14T04:50:23Z","sha256":"70ed8057110d94b6a311a771b8c44e23c4a68d5ea6ebc5e566dfa3c016d58926","source_id":"us-mt","stale":false,"prev":"us-mt/m.-r.-evid.-615","next":"us-mt/m.-r.-evid.-702"},"notice":"GroundRules: Original legal text. Not legal advice."}