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Chemical Test Presumptions in Drunk Driving Cases

If you have ever been arrested for drunk driving you were probably given some sort of chemical test to determine your blood alcohol content. The most common chemical tests include a breath test or blood test. Many jurisdictions have statutes that allow prosecutors to give presumptive effect to chemical test readings of blood-alcohol content. In other words, if a person's blood alcohol content is at a certain level, the court will presume automatically that the person was driving under the influence of alcohol. Depending on the jurisdiction, some statutes will use the word "presumption," while others use the term "prima facie evidence."

Enhanced Sentencing for OUI/OWI Offenses

The penalties imposed by states for operating while intoxicated (OWI) and operating under the influence (OUI) follow the same general pattern of penalties imposed by states enforcing laws for driving under the influence (DUI) and/or driving while intoxicated (DWI). Frequently, the sentencing provisions of the OWI/OUI laws impose greater penalties upon offenders who had prior OWI/OUI convictions, a prior related loss of license, or a "high" blood alcohol concentration (BAC). States vary in terms of the high-BAC threshold (which ranges from .15 to .20 percent), and the types, severity, and complexity of sanctions.

Defendant's Right to Counsel Before Consenting to Chemical Test in Drunk Driving Case

Most people are aware that Miranda warnings must be given an accused before he or she is subjected to custodial interrogation. The warnings are intended to protect the privilege against self-incrimination, and the Fifth Amendment right to counsel was created to protect that privilege. However, if the privilege against self-incrimination is not implicated, the warnings are not required, and there is no right to counsel. The United States Supreme Court has held that "physical" evidence may be obtained from an accused without running afoul of the privilege. Therefore, the right to counsel privilege has been held inapplicable to physical or performance tests and chemical tests of bodily substances.

Criminal Offense of Failing to Provide Proof of Insurance and Registration

All states require some form of vehicle registration. The registration generally lasts one year and is often renewable on the owner's birthday with the state's department of motor vehicles. Generally a registration is what allows you to get the license that makes your vehicle legal to drive on public roads. Most states require motorist to keep the vehicle's registration with the vehicle at all times. Failure to provide a vehicle registration can result in fines and suspension of your driver's license. Many states will waive or reduce fines where a motorist can subsequently produce a vehicle registration that was valid on the day it was requested.

Consequences for Refusing to Submit to Blood Alcohol or Field Sobriety Tests

As chemical testing has evolved into a much relied on prosecution tool, ''implied consent'' laws have evolved to defeat the drunk driver's inclination to refuse to consent to such testing. An implied consent statute does not command that a person suspected of driving while intoxicated be forced to submit to a chemical test; rather, the person may refuse to take a chemical test of his or her blood, breath or urine, but if certain statutorily prescribed procedures are complied with, such a refusal does not go unpunished.

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Telephone: 865.521.9700
Teléfono en español: 865.712.2311

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Accidentes de auto y de trabajo; Defensa Criminal; Trámites de Inmigración.