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DUI Blood Test Laws: DUI chemical tests taken without consent not admissible in Court
In Carillo v. Houser Maricopa County, the Arizona Supreme Court held that the Implied Consent Law, A.R.S. § 28-1321 did not authorize police to conduct DUI blood testing without a warrant. The exception is if the suspect expressly gives their consent for officers to administer the chemical test. It is not enough for a suspect to object to the blood or urine test. They must expressly refuse, or consent to it. Failure of a person to expressly agree, or to consent to completing the chemical test is considered a refusal.
If a driver refuses a DUI breath test the police may obtain a warrant to collect a blood or urine sample. In order to obtain a warrant the police must have “probable cause” to believe that a motorist was driving impaired under the influence of drugs or alcohol. If a driver refuses to participate in the chemical testing, there are civil and criminal consequences. A refusal of a DUI chemical testing with a valid warrant will result in a 12 month suspension of the motorist’s driver’s license. The police may proceed with a DUI arrest with probable cause for DUI charges.
Arizona Implied Consent Law
Under the Implied Consent Law A.R.S. § 28-1321 a motorist driving in Arizona inherently gives their consent to DUI breath, blood or urine test if requested by police to determine if they are driving under the influence of alcohol or drugs. The Police Officer who makes the DUI stop decides what type of test should be administered. The officer must have cause to believe that the person was driving or in actual physical control of a motor vehicle either alcohol or drugs.
Implied Consent Law – Underage 21 Drinking
Arizona is a “Zero Tolerance” state with regard to underage 21 drinking. This means an underage drinker may be arrested for being under the influence of any alcohol in their blood stream. The Implied Consent Law A.R.S. § 28-1321 also gives authority to police in Arizona to administer chemical testing to a person under the age of 21 years of age. They police may administer the test to determine if the person under age 21 has in their body, whether or not they were driving or in actual physical control of a vehicle.
DUI Lawyer Tempe AZ – Defense
If you were arrested for DUI based on breath or blood testing, there may defenses you are not aware of that can lead to suppression of evidence or even a dismissal of charges. An arrest is not a conviction. Anyone arrested has a constitutional right to defend their charges. In order to make sure your rights are protected, and to defend your charges, you should always retain the services of a qualified criminal defense attorney.
Additional Resources:
• Arizona Legislature Implied Consent Law
• Arizona Supreme Court JOSE CARRILLO v. HON. ROBERT HOUSER Ref: CV-09-0285-PR • Arizona Department of Transportation
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