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DUI Diversion in California: What the Ruling Means for Your Defense

Posted by Bulldog Law | Jun 10, 2025

DUI Diversion in California

What Is DUI Diversion?

DUI diversion is a legal process that allows eligible defendants to avoid a criminal conviction by completing a court-approved program that may include alcohol education, treatment, and community service. Upon successful completion, charges are typically dismissed, leaving the defendant without a criminal record for the offense. Diversion programs are intended to rehabilitate low-risk offenders and reduce the burden on the court system while offering individuals a second chance.

In California, many misdemeanor offenses qualify for pretrial diversion under Penal Code section 1001.95. However, DUI offenses have long existed in a legal gray area due to conflicting statutory provisions. The Court of Appeal's decision in People v. Superior Court (Ortiz) resolved this ambiguity by holding that DUI charges are categorically excluded from general diversion, reaffirming the strict enforcement policy for impaired driving offenses across the state.

What the Ortiz Decision Means for DUI Diversion

Prior to the Ortiz ruling, defense attorneys had argued that Penal Code section 1001.95—California's general misdemeanor diversion statute—should allow DUI defendants to participate in pretrial diversion. However, the court concluded that Vehicle Code section 23640, which expressly prohibits diversion for DUI charges, takes precedence.

The court applied well-established principles of statutory interpretation, ruling that when a specific statute (Vehicle Code 23640) conflicts with a general one (Penal Code 1001.95), the specific provision governs. This decision closed the door on diversion for DUI charges, requiring defense attorneys to refocus their strategies on other legal tools and negotiation tactics.

Why DUI Is Treated Differently Under California Law

California law treats DUI offenses with particular seriousness. Vehicle Code section 23640 reflects legislative intent to exclude DUI charges from pretrial diversion due to the public safety risks they present. The Ortiz ruling upheld that intent, reinforcing the Legislature's goal of ensuring consistent prosecution of DUI offenses across the state.

The policy reasons behind this restriction include:

  • Enhancing deterrence of impaired driving
  • Protecting victims and potential victims of DUI-related harm
  • Maintaining enforcement consistency statewide

This prioritization of public safety explains why even first-time DUI offenders are not eligible for the general diversion programs available for many other misdemeanor charges.

Strategic Adjustments for DUI Defense Post-Ortiz

With diversion no longer an option, attorneys must rely on traditional and creative legal strategies to protect clients from conviction or reduce penalties. These include challenging the evidence, negotiating alternative pleas, and presenting strong mitigation materials to prosecutors and the court.

Challenging the Evidence

One of the most effective approaches in DUI cases is to challenge the validity of the evidence. Defense attorneys examine every step of the arrest and investigation, including:

  • Whether the traffic stop was legally justified
  • The administration and interpretation of field sobriety tests
  • The calibration and reliability of breath or blood testing devices
  • Potential violations of Fourth or Fifth Amendment rights

In certain cases, the refusal to submit to a preliminary alcohol screening device (PAS) can complicate matters. However, a strong PAS test refusal defense may be available depending on how the request was made and whether the individual was legally required to comply.

Plea Bargaining and Alternative Outcomes

Without diversion, negotiating a plea agreement becomes critical. Attorneys often pursue a reduced charge such as “wet reckless” under Vehicle Code 23103.5, which carries less severe consequences than a DUI conviction.

Effective plea negotiations may include:

  • Mitigation materials showing rehabilitation efforts
  • Enrollment in DUI education programs
  • Evidence of no prior criminal history
  • Demonstrated commitment to avoiding future offenses

Clients should also be informed about the cost of a DUI in California, including court fines, insurance premiums, DMV penalties, and DUI program enrollment fees. Understanding the financial impact can help motivate proactive case planning.

The Role of DUI Education and Treatment Programs

Even without formal diversion, participating in DUI treatment and education programs can significantly influence outcomes in both court and DMV administrative hearings. Completion of a certified program demonstrates accountability and may reduce penalties or support a plea negotiation.

It's important to understand the complexities of California DUI program licensing, including the confidentiality of participation and how program completion can impact sentencing or DMV consequences. These programs are often required but can also be used proactively to improve a client's case position.

Client Counseling After the Ortiz Decision

Attorneys must now clearly explain to clients that pretrial diversion is not an option for DUI charges, regardless of circumstances such as first-time offense, lack of prior record, or level of impairment. Counseling should focus on managing expectations while exploring all possible defense and negotiation avenues.

Important topics to cover during counseling include:

  • The implications of a DUI conviction on professional licenses and employment
  • Strategies to preserve driving privileges through DMV hearings
  • Post-conviction relief options, including expungement eligibility

Advanced DUI Defense Skills and Knowledge Post-Ortiz

With diversion no longer a viable strategy, defense attorneys must enhance their capabilities in several areas to deliver effective representation:

  • Mastering the science behind blood alcohol content (BAC) testing
  • Understanding machine calibration and common sources of testing error
  • Cross-examining expert witnesses and arresting officers effectively
  • Coordinating defense strategy with DMV administrative processes

In-depth knowledge of DUI law, scientific evidence, and California-specific procedures is more important than ever. Legal practitioners must also stay current with evolving case law and technology that may impact DUI prosecution and defense.

Long-Term Solutions and Legislative Reform Efforts

Although Ortiz limits current defense options, future reform could reintroduce diversion programs for DUI offenders under specific conditions. Defense attorneys and advocacy organizations may consider working toward legislation that balances public safety with rehabilitative approaches for low-risk offenders.

Until then, proactive defense strategy, early legal intervention, and comprehensive mitigation remain the best tools available to protect clients and reduce the impact of a DUI charge.

California DUI Defense Attorney: Bulldog Law Can Help

At Bulldog Law, we are committed to defending individuals charged with DUI offenses throughout California. Our team understands the complexities of DUI law in the wake of People v. Superior Court (Ortiz) and works aggressively to challenge the prosecution's evidence, minimize penalties, and protect your future.

Whether you are dealing with a first-time DUI, refusal allegations, or need assistance with DMV hearings and DUI program requirements, we are here to provide experienced, strategic representation. Bulldog Law offers the legal knowledge, courtroom skill, and client-centered advocacy you need during a difficult time.

Contact us today for a confidential consultation. Let our California DUI defense attorneys help you understand your options and fight for the best possible outcome in your case.

About the Author

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