{"data":{"id":"us-mt/61-9-420","jurisdiction":"us-mt","citation":"61-9-420","heading":"Child safety restraint systems -- standards -- exemptions.","body":"(1) A motor vehicle passenger who is under 2 years of age must be properly restrained in a rear-facing child safety restraint system that complies with federal motor vehicle safety standards.\n(2) A motor vehicle passenger who is between 2 years of age and up to 4 years of age must be properly restrained in a rear-facing or forward-facing child safety restraint system with an internal harness that complies with federal motor vehicle safety standards.\n(3) A motor vehicle passenger who is between 4 years of age and up to 8 years of age must be properly restrained in a forward-facing child safety restraint system with an internal harness or a child booster seat that is secured with a vehicle lap-shoulder seat belt, whichever is applicable, that complies with federal motor vehicle safety standards.\n(4) A motor vehicle passenger who is at least 9 years of age or has outgrown the height or weight limits of a child booster seat as set by the manufacturer, whichever comes first, must be secured with a motor vehicle adult safety belt.\n(5) A child safety restraint system pursuant to 61-9-419 through 61-9-423 must be installed, adjusted, and used according to the manufacturer instructions.\n(6) The department may by rule exempt from the requirements of this section a child who because of a physical or medical condition or body size cannot be placed in a child safety restraint system.","path":["TITLE 61. MOTOR VEHICLES","CHAPTER 9. VEHICLE EQUIPMENT","Part 4. Miscellaneous Regulations"],"source_url":"https://mca.legmt.gov/bills/mca/title_0610/chapter_0090/part_0040/section_0200/0610-0090-0040-0200.html","current_through":"Montana Code Annotated 2025","vintage":"","retrieved_at":"2026-09-14T04:57:59Z","sha256":"bde4ab1cff8d22fabd7c0ee1b6ef42a914e3d118fe229893e7bcb6f4d4c95e34","source_id":"us-mt","stale":false,"prev":"us-mt/61-9-419","next":"us-mt/61-9-421"},"notice":"GroundRules: Original legal text. Not legal advice."}