A dramatic change in Florida law has fundamentally altered the risks a driver faces when stopped for driving under the influence (DUI). In the past, refusing to submit to a chemical test — such as a breath, blood, or urine test — typically meant only an administrative license suspension for a first offense. Now, a first refusal to submit to a chemical test is a criminal offense. This change impacts every motorist, whether operating a motor vehicle on land or a boat on Florida’s waterways.

Effective October 1, 2025, Florida law classifies a first refusal to submit to a chemical test during a DUI or BUI (boating under the influence) investigation as a second degree misdemeanor. It is punishable by up to 60 days in jail, six months’ probation and a $500 fine. Before this change, only second or subsequent refusals were criminal offenses. They remain classified as first degree misdemeanors and are subject to greater sanctions. Notably, any refusal can now be prosecuted independently, meaning the state can pursue charges even if the underlying DUI charge is dropped, reduced or dismissed.

The new penalty is built upon Florida’s implied consent law. Every licensed driver on Florida roads is deemed to have given consent to lawful requests for breath, blood or urine testing following a DUI arrest. The law applies only to chemical tests, which are used to determine blood alcohol content (BAC) or the presence of drugs. It does not apply to field sobriety exercises, which remain voluntary.

Administrative penalties for refusing a chemical test remain in place. A first refusal still results in a mandatory one-year driver’s license suspension, while second and subsequent refusals carry an 18-month suspension. These penalties are imposed not by criminal courts but by Florida’s Department of Highway Safety and Motor Vehicles, and they apply even if the criminal DUI charge itself is later dismissed. As a result, drivers now face parallel consequences: administrative action regardless of criminal prosecution and, as of October 2025, criminal penalties for any refusal.

Refusing to submit to a chemical test also shapes the DUI case itself. Prosecutors may argue that the refusal signals consciousness of guilt, leading juries to view the defendant with skepticism. Moreover, refusal deprives the defense of the opportunity to challenge breath or blood test results. Since criminal and administrative penalties can be imposed simultaneously, the consequences for refusal can be heavy.

In this new regime, refusing a chemical test is no longer a low-risk or strategic decision. The choice to refuse will now trigger immediate license consequences, criminal prosecution and the lasting effects of a criminal record. Early consultation with a skilled Florida DUI defense lawyer is essential for developing a plan for the best possible outcome in the administrative and criminal proceedings.

The Law Offices of Tad A. Yates, P.A. in Orlando provides experienced legal representation in Florida DUI cases. Call us at 407-608-7777 or contact us online for a free consultation.