Table of Contents TITLE 61. MOTOR VEHICLES CHAPTER 9. VEHICLE EQUIPMENT Part 4. Miscellaneous Regulations

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1 61-9-401 — Horns, security alarms, a... 1 61-9-402 — Audible and visual signal... 1 61-9-403 — Mufflers – prevention of... 61-9-404 — Mirrors 61-9-405 — Windshields required, exc... 61-9-406 — Restrictions as to tire e... 1 61-9-407 — Fenders, splash aprons, o... 61-9-408 — Safety glazing material i... 61-9-409 — Seatbelts required in veh... 61-9-411 — Certain vehicles to carry... 61-9-412 — Display of warning device... 61-9-413 — Vehicles transporting exp... 61-9-414 — Logging trucks – definiti... 61-9-415 — Slow-moving vehicles 61-9-416 — Commercial tow truck – de... 61-9-417 — Headgear required for min... 61-9-418 — Motorcycle and quadricycl... 61-9-419 — Definitions 1 61-9-420 — Child safety restraint sy... 61-9-421 — Certain vehicles exempt 1 61-9-422 — Evidence admissible witho... 61-9-423 — Penalty 61-9-426 — Air-conditioning equipmen... 61-9-427 — Air-conditioning equipmen... 61-9-428 — Window tinting and sunscr... 61-9-429 — Window tinting and sunscr... 61-9-430 — Bumpers 61-9-431 — Use of warning signs, fla... 61-9-432 — Low-speed and medium-spee... 61-9-435 — Exhaust noise limitation 61-9-436 — Certain vehicles to carry... 61-9-437 — Airbag fraud prohibition...

Mont. Code Ann. § 61-9-426

Air-conditioning equipment – use of flammable refrigerant prohibited – definition

(1) Air-conditioning equipment must be maintained with due regard for the safety of the occupants of the vehicle, service technicians, and the public.

(2) Air-conditioning equipment may contain only refrigerant that has been included in the list published by the United States environmental protection agency as a safe alternative motor vehicle air-conditioning substitute for chlorofluorocarbon-12 pursuant to 42 U.S.C. 7671k(c).

(3) A person may not equip or maintain a motor vehicle or special mobile equipment with air-conditioning equipment or refrigerants that do not comply with the requirements of this section.

(4) As used in 61-9-427 and this section, "air-conditioning equipment" means mechanical, belt-driven, vapor compression refrigerant equipment that is used to cool the driver's compartment or passenger compartment of a motor vehicle or special mobile equipment.

Official Annotations archive.org, 2025 edition

History:

EnactedEn. SectionSec. 1, ChapterCh. 418, Laws ofL. 2003

AmendedAmd. SectionSec. 223, ChapterCh. 542, Laws ofL. 2005 (SB 285 - Story, Bob (R) SD 30)

Source text on leg.mt.gov