Mont. Code Ann. § 61-8-716
61-8-716 Careless driving -- penalty
61-8-716 . Careless driving -- penalty. (1) A person who violates the provisions of 61-8-302 is guilty of the offense of careless driving and, except as provided in subsection (2), is punishable as provided in 61-8-711 .
(2) A person whose violation of the provisions of 61-8-302 results in the death or serious bodily injury of another person shall be punished by a fine in an amount not exceeding $5,000, by incarceration for a term not to exceed 6 months, or both.