DUI Charges and the Separate DMV Process
A California DUI matter can create a criminal case and a separate licensing proceeding. Court dates and DMV notice requirements should be reviewed promptly and independently.
RV Litigation Group PC is based in San Francisco and represents clients throughout California. The review begins with the actual papers, the procedural stage, and the evidence relevant to the issue.
The Legal Questions
A charge of driving under the influence requires proof of driving and impairment under the applicable alcohol, drug, or combined-use provision. A prohibited blood-alcohol allegation is a separate theory. A test result does not answer every question about driving, timing, or testing reliability.
Lawful use of medication is not itself a defense to driving while impaired. Conversely, detecting a drug does not by itself establish that a person was unable to drive with the care of an ordinarily sober person under similar circumstances.
Examine Driving, Impairment and Test Reliability
Two alcohol theories require different proof
A prosecutor may allege impaired driving under Vehicle Code section 23152(a) and driving at or above the statutory alcohol concentration under section 23152(b). Evidence supporting one theory does not make review of the other unnecessary. The analysis asks who drove, when driving occurred, the person's condition at that time and how later observations or testing relate to that interval. Drug or combined-influence allegations require their own review.
Put the chemical result in context
Counsel can compare the collection time, test printout, laboratory material, device accuracy records, operator qualifications and recordings of the testing process. For breath testing, observation and sample-collection procedures can matter. For blood testing, labeling, storage and the connection between the seized sample and the reported result can matter. A procedural issue does not automatically exclude a result; its significance depends on the applicable rule and supporting evidence.
Compare observations with the actual conditions
Balance or speech observations may need to be evaluated alongside an injury, medication, road surface, footwear, lighting and the instructions given. The stop and any search present separate legal questions. License proceedings also follow a process separate from the criminal case, so the arrest paperwork and DMV notice should be reviewed promptly rather than assuming a court date protects administrative rights.
What a Defense Review Examines
Driving and the timeline
Compare observations, video, the time of driving, drinking or medication history, and the timing of any sample.
Testing and investigation
Review the basis for the stop, field-test conditions, instrument and laboratory records, sample handling, and medical explanations for observations.
Records That Help Explain the Matter
Keep the citation, temporary-license or suspension notice, release papers, receipts, relevant medication information, and a timeline. Preserve any dashcam or other recording before it is overwritten.
A Hypothetical California Matter
An Anaheim driver is cited after a late-night stop and a chemical test. Counsel would assess driving observations, the stop, the testing timeline, and the distinct court and DMV issues without treating one result as a complete case assessment.
This fictional example illustrates questions for review. It is not a firm case or a predicted outcome. The county identifies the setting, not a special legal rule or an additional office.
A Walnut Creek driver disputes a breath result and says the observation period was interrupted. Counsel compares the recording, instrument records, sample results and timing with the officer's observations. The review may identify a supported reliability issue or confirm that the procedure was sound; the allegation alone does not establish either outcome.
Potential Consequences and Next Decisions
Prior history, the precise charge, an alleged refusal, injury, and other facts can change consequences and licensing options. A criminal result does not automatically determine the DMV outcome. The dates printed on the actual notices require immediate review.
Frequently Asked Questions
No. They have different issues and procedures. Resolving one does not necessarily resolve the other.
Yes. It may explain observations or test findings, but a lawful prescription does not authorize impaired driving.
No. Driving, timing, observations, testing reliability, and other evidence all may matter.
Legal Resources
General information, not advice for a particular case. The cited jury instructions explain elements and selected defenses; they do not calculate a sentence or resolve disputed facts.
- California DMV — DUI hearings and licensing
- Judicial Council CALCRIM 2110 (2026 text reproduced by Justia)
