man with hands in cuffs behind his head after an arrest

Many people arrested for DUI in California are confused about whether they were required to take a breath test, a blood test, or any test at all. Some drivers refuse because they are scared, overwhelmed, unsure of their rights, or worried that taking the test will make the case worse.

Unfortunately, refusing a chemical test after a DUI arrest can create additional legal problems. A refusal allegation may affect the DMV license process, the criminal case, and the overall strategy for defending the charge.

Breath Tests Before and After Arrest Are Not Always the Same

One reason DUI refusal cases can be confusing is that not every breath test is treated the same way.

During a DUI investigation, an officer may ask a driver to take a roadside breath test before an arrest. This test is called a preliminary alcohol screening test. This test is always discretionary.

After a lawful DUI arrest, however, California’s implied consent law requires the driver to submit to chemical testing. This law requires a breath or blood test used to measure alcohol or drug-related evidence.

Because the timing and type of test matter, it is important to review exactly what the officer asked, when the request was made, what the driver was told, and how the alleged refusal occurred.

What Is a Chemical Test Refusal?

A chemical test refusal may be alleged when law enforcement claims that a driver failed or refused to complete a required breath or blood test after a DUI arrest.

A refusal is not always as simple as someone clearly saying, “No.” Refusal allegations may involve situations where the driver:

Declined to take a test
Did not answer clearly
Asked repeated questions
Delayed the test
Started but did not complete the test
Did not provide enough breath for the machine
Was confused about the instructions
Requested a different type of test
Had a medical issue affecting the test
Did not understand the consequences

That means some refusal cases may depend heavily on the details. Body camera footage, officer statements, testing records, medical conditions, and the exact warnings given may all matter.

Why Refusing a Test Can Affect Your License

A DUI arrest may involve two separate processes: the criminal court case and the DMV administrative per se hearing.

The court case focuses on the criminal charge. The administrative per se hearing focuses on your driving privilege. If the hearing officer finds that a test was refused, the punishment is a one-year drivers’ license suspension.

This is one reason the deadline to request a DMV hearing after a DUI arrest is so important. If the hearing is not requested within 10 days of the date of arrest, the driver will lose the opportunity to challenge the administrative license action.

If you were accused of refusing a test, do not assume that the DMV issue will wait until the criminal case is over. The license process may move quickly and should be addressed early.

Can Refusing a Test Make the Court Case Worse?

A refusal allegation may also affect the criminal side of the case. Prosecutors may argue that the refusal shows consciousness of guilt, meaning they may claim the driver refused because they knew they were impaired.

That argument can be challenged.

There may be other reasons a person did not complete a test. The driver may have been confused, frightened, physically unable to provide a sufficient breath sample, unsure what was being asked, or not properly advised of the consequences. In some cases, the officer’s instructions may be unclear or the evidence may not support the refusal allegation.

A refusal allegation does not automatically prove DUI. The prosecution still has to prove the charge and support the refusal claim with evidence.

What if You Could Not Provide Enough Breath?

Some drivers are accused of refusing a breath test even though they tried to comply.

This may happen when a person cannot produce enough breath for the machine to register a valid sample. Medical conditions, anxiety, panic, respiratory issues, asthma, recent illness, age, or physical limitations may affect a person’s ability to provide a breath sample.

In these cases, the question may be whether the person truly refused or whether they were unable to complete the test for reasons unrelated to guilt.

The defense may examine the officer’s report, machine records, video footage, medical history, and whether a blood test was offered as an alternative.

What if You Asked for a Blood Test Instead?

Some drivers believe they can choose one test over another. In many DUI cases, a driver may be asked to submit to a breath or blood test. However, the details can vary depending on the circumstances, including whether drugs are suspected or whether a particular test is available.

If a driver asked for a different test, the defense may need to review whether the officer properly explained the options and whether the driver’s response was treated fairly.

A misunderstanding should not automatically be treated as a deliberate refusal. The specific conversation between the driver and the officer may become important evidence.

Can a Refusal Case Be Challenged?

Yes. A refusal allegation may be challenged depending on the facts.

Possible issues may include:

Whether the traffic stop was lawful
Whether the arrest was supported by probable cause
Whether the officer properly advised the driver of the consequences
Whether the driver actually refused
Whether the driver was confused or misunderstood the instructions
Whether a medical condition affected the test
Whether the officer’s report matches the video evidence
Whether the breath machine or testing process created problems
Whether the DMV paperwork was completed correctly

Because refusal cases often involve both legal and factual questions, they should be reviewed carefully.

How Will They Determine My Blood Alcohol Level if I Do Not take a Blood Alcohol Test?

Once a test is refused, the arresting officer will likely draft a search warrant and submit that warrant to a magistrate. Once the magistrate signs the search warrant, the officer is legally allowed to hold the subject down while a phlebotomist forcibly takes blood. Regardless of the refusal, a test will still be forced and a BAC will be determined.

Should You Talk to a Lawyer After a Refusal Allegation?

Yes. A refusal allegation can create serious consequences, especially for your driver’s license. It may also affect how the prosecution views the criminal DUI case.

A DUI defense attorney can review the arrest report, DMV paperwork, chemical test issues, video evidence, officer instructions, and any medical or factual issues that may help explain what happened.

This is especially important if the case involves a first-time DUI charge and the person has never dealt with the criminal court or DMV process before. A refusal allegation can make an already stressful situation more complicated.

Speak With a Murrieta DUI Defense Attorney

If you were arrested for DUI and accused of refusing a breath or blood test, you still have legal options. The refusal allegation, DMV deadline, officer warnings, and testing evidence all need to be reviewed before you decide how to proceed.

The Law Office of H. Charles Gorian represents clients facing DUI charges in Murrieta, Temecula, and throughout Riverside County. We can review the facts, explain the DMV and court process, and help you understand the possible defenses.