- §343.301(1) and (2) and; 343.305(10m)
For a second or subsequent offense (within 5 years), a person’s vehicles must be immobilized or equipped with an ignition interlock device for not less than 1 year nor more than the maximum period of license revocation.
Ignition interlock usage starts 1 year after the revocation period.
The DOT must limit the occupational license of a person who has 2 or more prior violations to operating only vehicles equipped with an ignition interlock device, regardless of whether a court has ordered every vehicle that is titled or registered in the offender’s name to be equipped with such a device.
Interlocks mandatory for a minimum of 1 year if the person has a BAC of 0.15 or more.
Exemption: Financial hardship.
