Florida’s Implied Consent Law: Refusal Penalties and Appeals

Under Florida’s implied consent law, refusing a lawful breath, urine, or blood test after a DUI arrest carries two separate penalties that run at the same time: an automatic driver’s license suspension of at least one year handled by the Department of Highway Safety and Motor Vehicles, and, as of October 1, 2025, a criminal misdemeanor charge for the refusal itself. Both consequences apply even if you are later found not guilty of DUI.

What Implied Consent Actually Means

You already agreed to chemical testing the moment you drove on a Florida road. Florida Statute 316.1932 treats the privilege of holding a Florida license as consent to an approved test of your breath, urine, or blood if you are lawfully arrested for DUI.¹ You never sign anything; the consent is built into the license.

Two conditions have to be met before an officer can request a test. You must be lawfully arrested for an offense allegedly committed while driving or in actual physical control of a vehicle, and the officer must have reasonable cause to believe you were impaired.¹ Breath tests apply when alcohol is suspected. Urine tests apply when drug impairment is suspected. Blood tests are authorized when you are receiving medical treatment and a breath or urine sample is impractical.

Before any test, the officer has to warn you what refusal will cost: a one-year suspension for a first refusal, 18 months for a second, and, if your license was previously suspended for refusing, a first-degree misdemeanor charge. A failure to give that warning properly can become a defense at your hearing. Your refusal is also admissible against you in the criminal DUI case.¹

Penalties for a First Refusal

A first refusal triggers a one-year administrative suspension of your driver’s license.¹ The officer takes your license at the scene and issues a temporary permit that lasts 10 days.² That suspension is handled by DHSMV and is entirely separate from any criminal case tied to the arrest.

Until recently, that administrative suspension was the only consequence of a first refusal. Trenton’s Law (HB 687) changed that. Effective October 1, 2025, a first refusal to submit to a breath, urine, or blood test is a second-degree misdemeanor punishable by up to 60 days in jail and a $500 fine.³

Penalties for a Second or Subsequent Refusal

If your license has previously been suspended for a refusal, the numbers climb. A second or subsequent refusal is an 18-month administrative suspension, and you are not eligible for any hardship driving privileges during that period.¹⁴

Criminally, a second refusal is a first-degree misdemeanor under Florida Statute 316.1939, carrying up to one year in jail and a $1,000 fine.⁵³ The state doesn’t need a DUI conviction from the earlier incident. Prosecutors only have to prove your license was previously suspended for a refusal and that you refused again after being properly warned.

You Have 10 Days to Challenge the Suspension

The temporary permit expires at midnight on the tenth day after arrest. Before that deadline, you can request a formal review hearing with the DHSMV Bureau of Administrative Reviews, with a $25 filing fee.²⁶ Miss it, and the suspension locks in automatically. File on time, and your driving privileges continue while the hearing is pending.

The hearing is not a trial on the DUI. The hearing officer looks at three things: whether the officer had probable cause for the arrest, whether the arrest was lawful, and whether you were properly warned about the consequences of refusing.² A defect in any of those elements can invalidate the suspension.

Hardship License Eligibility

During a first-refusal suspension, you can apply for a hardship license restricted to business purposes, but only after 90 hard days without any driving, and only if you have never previously had a license suspended under the implied consent law and have never been convicted of DUI. Accepting the hardship license means waiving your right to a formal or informal review of the suspension.⁴ For a second or subsequent refusal, no hardship license is available at all.

When You Cannot Refuse

There is one situation where refusal is not on the table. When an officer has probable cause to believe an impaired driver caused death or serious bodily injury, the officer is required to order a blood test, and the law authorizes reasonable force to obtain it. No formal arrest is needed. The statute defines “serious bodily injury” as a physical condition creating a substantial risk of death, serious disfigurement, or protracted loss of a bodily function.⁷ In every other scenario you can physically refuse, but you pay the penalties described above.

CDL Holders Face Additional Disqualification

A commercial license carries its own layer of consequences that stacks on top of the personal-license penalties. Refusing a chemical test while operating any motor vehicle, personal or commercial, disqualifies you from driving commercial vehicles for one year.⁸ If you were hauling hazardous materials at the time, the disqualification is three years.⁹ A second refusal while holding a CDL can trigger permanent disqualification from commercial driving.

Why Breath Refusal and Blood Refusal Are Treated Differently

In Birchfield v. North Dakota (2016), the U.S. Supreme Court held that the Fourth Amendment permits warrantless breath tests as a search incident to a DUI arrest, but does not permit warrantless blood tests in the same situation. A breath test captures a small air sample and reveals only alcohol concentration; a blood draw pierces the skin and can reveal much more. States may criminally punish refusal of a breath test, but the Court was explicit that states cannot criminally punish someone for refusing a warrantless blood test outside a recognized exception like Florida’s serious-crash statute.¹⁰

The Administrative Case and the Criminal Case Are Independent

A refusal sets two proceedings in motion that never merge. The administrative case at DHSMV decides only whether you refused; it produces the license suspension. The criminal case decides the DUI charge and, now, the separate misdemeanor charge for the refusal itself. Each has its own timeline, its own evidence, and its own outcome.

You can beat the DUI at trial and still lose your license for a year on the refusal. You can win the formal review hearing and still be convicted of DUI. And a driver arrested and charged after October 1, 2025 who refuses testing now faces three simultaneous proceedings: the DHSMV suspension, the criminal DUI, and the criminal refusal charge. The refusal itself is also admissible in the DUI trial as evidence of guilt.¹ Ignition interlock requirements may also follow a DUI conviction.¹¹

If you have been arrested and refused a test, the most time-sensitive action is the 10-day request for a formal review. Everything else can be sorted afterward; that window cannot.

1
Justia Law. Florida Code 316.1932 – Tests for Alcohol, Chemical Substances, or Controlled Substances, Implied Consent, Refusal
2
FindLaw. Florida Code 322.2615 – Suspension of License, Right of Review
3
Justia Law. Florida Code 775.083 – Fines
4
FindLaw. Florida Code 322.271 – Authority of Department to Cancel, Suspend, or Revoke License, Hardship License
5
FindLaw. Florida Code 316.1939 – Refusal to Submit to Testing, Penalties
6
Florida Department of Highway Safety and Motor Vehicles. Application for Formal/Informal Review of Driver License Suspension/Disqualification
7
Florida Senate. Florida Code 316.1933 – Blood Test for Impairment or Intoxication in Certain Circumstances
8
Florida Senate. Florida Code 322.64 – Implied Consent to Breath, Urine, or Blood Test, Commercial Motor Vehicles
9
Florida Legislature. Florida Code 322.61 – Disqualification from Operating a Commercial Motor Vehicle
10
Justia. Birchfield v. North Dakota, 579 U.S. ___ (2016)
11
Florida Senate. Florida Code 322.2715 – Ignition Interlock Devices, Requiring Installation