North Carolina DWI: Ignition Interlock

Last reviewed: 2026-07-17

Interlock required for license restoration when BAC was 0.15+, after repeat offenses, and for certain limited privileges; violation restarts the clock.

By offense

• First offense: IID not required at this level — Required for restoration if BAC was 0.15+.
• Second offense: IID required
• Third offense: IID required

Statute: N.C.G.S. § 20-17.8