The following words and phrases when used in this chapter shall have the meanings given to them in this section unless the context clearly indicates otherwise: 'Adult.' An individual who is at least 21 years of age. 'Ignition interlock system.' A system approved by the department which prevents a vehicle from being started or operated unless the operator first provides a breath sample indicating that the operator has an alcohol level less than 0.025%. 'Minor.' An individual who is under 21 years of age. Cross References. Section 3801 is referred to in section 1556 of this title.
Pennsylvania Legal Code