1. Habitual violator defined. For purposes of this section, "habitual violator" means a person whose record, as maintained by the department, shows that:
A. The person has been convicted of 3 or more criminal violations under this Part within the previous 5-year period, except that, whenever more than one criminal violation is committed at the same time, multiple convictions are deemed to be one offense; or
B. The person has been adjudicated as having committed 3 or more civil violations under this Part and convicted of 2 or more Class E crimes as a result of such prior adjudications within the previous 5-year period.
2. Sentencing alternative for habitual violators. When an habitual violator is convicted of a crime in this Part the court shall impose a sentencing alternative involving not less than 3 days imprisonment, none of which may be suspended, and a fine of not less than $500, none of which may be suspended.