North Carolina Driver's Handbook, Section 2: Alcohol and the Law
Driving While Impaired (DWI), chemical tests and refusal, penalties for repeat convictions and the zero-tolerance rules for young drivers.
Summary written by MyPermitExam from the official handbook, Revised May 2025. Not a copy of the handbook. Checked Oct 2026. Not affiliated with the DMV. North Carolina Driver Handbook
Key rules
- DWI is proven by a BAC of 0.08 (0.04 in a commercial vehicle) or by appreciable impairment at any level. p. 31
- Refusing the test: 30 days on the spot plus at least 12 months from DMV. Open containers in the car are illegal. p. 31
- Convictions: first, one year; second within three years, four years; third, permanent. p. 32
- A BAC of 0.15 or a repeat conviction in seven years requires an ignition interlock. p. 32
- Under 21: any alcohol or drugs while driving means a one-year revocation, and so does buying alcohol or lending your ID for it. p. 33