Montana Statutes

§ 61-8-1002 — Driving Under Influence

Montana·Title 61 MOTOR VEHICLES·Ch. 8 TRAFFIC REGULATION·Part 10 Driving Under Influence of Alcohol or Drugs

61-8-1002 . Driving under influence.

(1)A person commits the offense of driving under the influence if the person drives or is in actual physical control of:
(a)a vehicle or a commercial motor vehicle upon the ways of this state open to the public while under the influence of alcohol, any drug, or a combination of alcohol and any drug;
(b)a noncommercial vehicle upon the ways of this state open to the public while the person's alcohol concentration, as shown by analysis of the person's blood, breath, oral fluid, or other bodily substance, is 0.08 or more;
(c)a commercial motor vehicle within this state while the person's alcohol concentration, as shown by analysis of the person's blood, breath, oral fluid, or other bodily substance, is 0.04 or more;
(d)a noncommercial vehicle or comme

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Legislative History

En. Sec. 2, Ch. 498, L. 2021; amd. Sec. 2, Ch. 723, L. 2023; amd. Sec. 7, Ch. 264, L. 2025; amd. Sec. 3, Ch. 298, L. 2025; amd. Sec. 1, Ch. 412, L. 2025.

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