A first DUI in North Dakota is generally classified as a Class B misdemeanor.
Jail: none (2 days if 0.16+) – 30 days; mandatory min none base; 2 days if 0.16+
Fine: $500–$1,500 ($500 minimum ($750 if 0.16+))
License suspension: 91 days (test failure) / 180 days (0.16+) – 1 year+; hardship: restricted work permit after portion; IID for some
Ignition interlock: Not required at this level — IID/24-7 program conditions common; mandatory on repeats.
Alternative disposition: Addiction evaluation mandatory; no charge-dismissal diversion.
Lookback period: 7 years. 7-year window for second/third counting; a fourth within 15 years is a Class C felony; lifetime priors matter for the felony trigger.
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