Home All states Montana License Suspension Montana DUI: License Suspension Last reviewed: 2026-07-17
License suspension periods in Montana increase with each DUI within the lookback period:
First offense: 6 months; hardship: probationary license possible; IID or 24/7 program conditionsSecond offense: 1 year; hardship: IID-restricted after portion; 24/7 programThird offense: 1 year; hardship: IID-restricted; 24/7 programFourth+ offense: 1 year+ – years; hardship: IID requiredRefusing the chemical test Refusal: 6-month suspension first (1 year for subsequent); officer typically obtains a warrant for blood. Refusal after a prior conviction = aggravated DUI. Refusal admissible.
Statute: MCA § 61-8-1016
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Not legal advice. This page summarizes publicly available statutes and official sources for general information only, and laws change. It is not a substitute for advice from a licensed attorney about your specific situation.