{"data":{"id":"us-ia/iowa-code-321j.2a","jurisdiction":"us-ia","citation":"Iowa Code § 321J.2A","heading":"Persons under the age of twenty-one.","body":"1. A person who is under the age of twenty-one shall not operate a motor vehicle while having an alcohol concentration, as defined under section 321J.1, of .02 or more. The driver’s license or nonresident operating privilege of a person who is under the age of twenty-one and who operates a motor vehicle while having an alcohol concentration of .02 or more shall be revoked by the department for the period of time specified under section 321J.12. A revocation under this section shall not preclude a prosecution or conviction under any applicable criminal provisions of this chapter. However, if the person is convicted of a criminal offense under section 321J.2, the revocation imposed under this section shall be superseded by any revocation imposed as a result of the conviction.\n2. In any proceeding regarding a revocation under this section, evidence of the results of analysis of a specimen of the defendant’s blood, breath, or urine is admissible upon proof of a proper foundation. The alcohol concentration established by the results of an analysis of a specimen of the defendant’s blood, breath, or urine withdrawn within two hours after the defendant was driving or in physical control of a motor vehicle is presumed to be the alcohol concentration at the time of driving or being in physical control of the motor vehicle.","path":["Title VIII - TRANSPORTATION (Ch. 306 - 330B)","Chapter 321J - OPERATING WHILE INTOXICATED"],"source_url":"https://www.legis.iowa.gov/docs/code/2026/321J.2A.pdf","current_through":"Iowa Code 2026 edition","vintage":"","retrieved_at":"2026-09-14T19:40:08Z","sha256":"29e1654224b001928747e52053bce6737bedf2b071c76597e952cbbf0a064435","source_id":"us-ia","stale":false,"prev":"us-ia/iowa-code-321j.2","next":"us-ia/iowa-code-321j.2b"},"notice":"GroundRules: Original legal text. Not legal advice."}