Chapter 7. Ignition Interlock Device (IID) by State Interlock Required To Drive State South Carolina during ALS 1st Offense no ALS for first test failure to drive during post-conviction license suspension first offender South Dakota Tennessee no ALS for first test failure no ALS for first test failure no, for offenders with BAC below 0.15; no option for driving during suspension for offenders with BAC at or above 0.15 no yes repeat offender no option for driving during suspension to reinstate license after conviction first offender no, unless offenders' BAC at or above 0.15 repeat offender yes no no yes no no yes, when prior conviction occurred within the past 5 years Texas no yes, if license suspension imposed yes no yes, when prior Utah Vermont Virginia no yes no option for driving during suspension, which lasts 7 days Washington yes West Virginia yes no option for driving during suspension yes yes no option for driving during suspension yes yes yes no no conviction occurred within the past 5 years yes no yes yes yes yes yes yes no yes yes