A person convicted of a violation of 61-8-326 shall be punished upon conviction by imprisonment for a period of not more than 6 months or by a fine of not less than $50 or more than $500 or by both fine and imprisonment.
No-Passing Zone Violation -- Penalty
Mont. Code Ann. § 61-8-724, under Enforcement -- Penalties.
Mont. Code Ann. § 61-8-724