Suspensions, Revocations, and OWI
This domain tests the administrative and criminal consequences that follow Iowa driving violations, with OWI at the center. You must distinguish a suspension from a revocation, know when implied consent applies, and explain how repeat offenses escalate.
Suspension versus revocation
A suspension is a temporary withdrawal of driving privileges; reinstatement usually follows a fixed period and compliance with requirements. A revocation cancels the credential and requires a new application, testing, and fees. The Iowa DOT administers both, while courts handle criminal penalties. A single arrest can produce both a court case and a separate DOT action.
OWI and implied consent
- Per se limits: 0.08% BAC for drivers 21 and older, 0.02% for drivers under 21, and 0.04% for CDL drivers.
- OWI can also be proven by impairment evidence even below the limit.
- Implied consent: by driving, a person consents to chemical testing after arrest; refusal triggers a separate administrative revocation, one year for a first refusal and longer for repeats.
- First OWI: serious misdemeanor, 180-day revocation, fine, and possible jail; second and third offenses escalate to aggravated misdemeanor and felony with multi-year revocations.
- Under-21 violations carry zero-tolerance administrative actions independent of criminal OWI.
Worked example
A 22-year-old is arrested for OWI, refuses the breath test, and later pleads guilty. He faces two tracks: the criminal OWI conviction and the implied-consent refusal revocation. The refusal is not erased by the guilty plea; the DOT action runs separately, and the refusal period can exceed the test-failure revocation. An instructor should teach both tracks, not just the court outcome.
Traps
- Treating refusal as a defense; it is its own violation.
- Mixing up suspension and revocation on reinstatement questions.
- Applying the 0.08 limit to under-21 drivers.
- Assuming a deferred judgment erases DOT consequences.
- Forgetting that a CDL driver faces a lower 0.04 threshold.