Can You Refuse a Breathalyzer in Texas? What Actually Happens When You Say No.

This is one of the most commonly searched questions after a DWI arrest in Texas — and one of the most consequential decisions a person makes in the minutes after being pulled over. The answer is not simple. You can refuse a breathalyzer in Texas, but refusal is not without cost. Understanding exactly what the law requires, what happens to your license when you refuse, what the refusal means for your criminal case, and when refusal may or may not be strategically sound is information every driver in Texas should have before they ever need it.

Texas Implied Consent Law — What You Agreed to by Driving

When you accepted a Texas driver’s license, you agreed to something most people do not read: the implied consent provision of Texas Transportation Code Section 724.011. That statute provides that any person who operates a motor vehicle in a public place is deemed to have consented to the submission of a specimen of breath or blood if lawfully arrested for an offense arising out of acts alleged to have been committed while operating a motor vehicle in a public place while intoxicated.

In plain terms — by driving in Texas, you have already consented in advance to providing a breath or blood sample if you are lawfully arrested for DWI. The implied consent law does not mean you cannot physically refuse. It means that if you do refuse, there are specific consequences that attach automatically under Texas law, separate from and in addition to any criminal penalties.

What Happens to Your License When You Refuse

Under Texas Transportation Code Section 724.013, if a person refuses to submit a specimen after being requested to do so by an officer following a lawful DWI arrest, the officer is required to take the person’s driver’s license and serve them with a notice of suspension. The Administrative License Revocation — ALR — suspension period for a refusal is 180 days for a first refusal, and two years for a subsequent refusal within ten years.

Compare this to the suspension for a person who provides a specimen and fails — meaning their BAC is 0.08 or higher. A first-time failure carries a 90-day suspension. A subsequent failure within ten years carries a one-year suspension. On the license suspension side alone, refusal produces a longer suspension than providing a sample and failing.

The critical deadline applies regardless of whether you refused or provided a sample. You have 15 calendar days from the date of your arrest to request an ALR hearing through the Texas Department of Public Safety. If no hearing is requested within 15 days, the suspension becomes effective automatically on the 40th day after the arrest. Requesting the hearing stays the suspension while the hearing is pending and scheduled — meaning your license remains valid during that period.

At Barton & Associates, we request ALR hearings immediately for every DWI client, including those who refused. The hearing itself creates an opportunity to cross-examine the arresting officer under oath before the criminal case is fully developed — testimony that frequently becomes valuable as the defense progresses.

What the Refusal Means for Your Criminal Case

Here is where the analysis becomes more nuanced. A refusal means the state has no breath test result to introduce as evidence of intoxication in your criminal case. That is a meaningful advantage in some cases. A BAC result of 0.15 or 0.18 is powerful evidence that is difficult to explain away at trial. The absence of that result forces the prosecution to prove intoxication through circumstantial evidence — the arresting officer’s observations of driving behavior, field sobriety test performance, physical appearance, and statements made at the scene.

However, Texas law allows the prosecution to tell the jury about the refusal. Under Texas Transportation Code Section 724.061, a person’s refusal to submit to a breath or blood test is admissible as evidence in any criminal proceeding. Prosecutors routinely argue to juries that an innocent person with nothing to hide would have taken the test, and that the refusal itself is evidence of consciousness of guilt. How persuasive that argument is depends on the specific facts of the case, the quality of the other evidence, and how effectively defense counsel responds to it.

The net effect is this: refusal trades a concrete piece of scientific evidence — the BAC result — for a circumstantial inference — the refusal as evidence of guilt. Whether that trade is strategically sound depends on what the BAC result would likely have shown, the strength of the officer’s other observations, and the overall quality of the state’s case without the chemical test result.

Blood Warrants — When Refusal Does Not End the Matter

Texas law provides law enforcement with a mechanism that removes the choice entirely in certain circumstances. Under Missouri v. McNeely and its implementation in Texas, officers can obtain a search warrant for a blood draw when a person refuses to provide a breath specimen voluntarily. In Bexar County, magistrate judges are available around the clock to issue blood warrants, and it is common practice for officers to seek a warrant when a DWI suspect refuses the breath test.

If a blood warrant is obtained and a blood draw is conducted, the refusal of the breath test becomes largely irrelevant to the chemical evidence question — the state now has a blood result. The defense focus then shifts to the legality of the warrant, the probable cause supporting it, the chain of custody of the blood sample, and the laboratory procedures used to analyze it.

Texas also mandates blood draws without a warrant — and without the option of refusal — in specific circumstances under Texas Transportation Code Section 724.012: when a person has been involved in an accident that resulted in death or serious bodily injury, when the officer reasonably believes the person has previously been convicted of DWI two or more times, or when a child under 15 was in the vehicle. In these situations, refusal is not an option the law recognizes.

How Refusal Cases Are Defended in Bexar County

The absence of a breath test result shifts the entire criminal case to the officer’s subjective observations. This creates specific lines of cross-examination that an experienced DWI defense attorney pursues aggressively.

The legality of the initial stop is examined first. If the officer lacked reasonable suspicion of a traffic violation or criminal activity to initiate the stop, everything that followed — including the DWI investigation — may be suppressible under the Fourth Amendment. A successful motion to suppress eliminates the officer’s observations along with any other evidence gathered after the unlawful stop.

The administration of standardized field sobriety tests is examined second. The National Highway Traffic Safety Administration has established specific protocols for the Horizontal Gaze Nystagmus test, the Walk and Turn test, and the One Leg Stand test. Deviations from those protocols — improper demonstration, inadequate lighting, uneven surface, failure to screen for medical conditions that affect test performance — undermine the reliability of the results and give the jury reason to discount the officer’s conclusions.

The officer’s observations of driving behavior and physical appearance are examined third. In a refusal case where the state has no chemical test result, the entire prosecution rests on what the officer observed and documented. Inconsistencies between the written report and body camera footage, failure to document observations that would be expected if impairment were as significant as alleged, and the absence of corroborating witness accounts are all areas where the defense builds the case for reasonable doubt.

If you refused a breathalyzer after a DWI arrest in San Antonio or anywhere in Bexar County, the 15-day ALR deadline is already running. Call Barton & Associates at 210-500-0000 immediately. Consultations are free, confidential, and available 24 hours a day.