Are ignition interlock devices (IIDs) required for convicted DWI offenders in North Carolina?
Yes, they are required for a second or subsequent offense, or a first offense if the BAC is .15% or greater. The device must be installed after the mandatory period of license revocation has ended. Required period of use: 1 year (if original revocation period was 1 year; 3 years (if the original revocation period was 4 years); 7 years (if the original revocation was a permanent revocation).
