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Sobriety Tests

Implied consent means that every Idaho driver must submit to a BAC test and that this consent was given when a driver agreed to the rules of the road by accepting an Idaho driver’s license.  Blood, breath or urine can be tested for alcohol and/or drugs if law enforcement officials suspect that you are driving under the influence.

Blood and breath tests are used for the detection of alcohol, and urine tests are used for the detection of illegal and/or prescription drugs.  Refusing these tests is grounds for an officer to confiscate your driver’s license on-the-spot.
On the contrary, Field Sobriety Tests are not mandatory, although an officer may not inform you of this fact.  Field Sobriety Tests include the ‘heel-to-toe walk,’ the ‘stand-on-one-leg’ challenge, and the ‘touch-your-fingers-to-your-nose’ test, amongst others.  While these are not mandatory, the officer’s observations are admissible in court.


Idaho Law Enforcement Tip-Offs

If you are impaired, an office will likely detect this before ever wielding the infamous Breathalyzer!  What are his tip-offs?  There are quite a few:

  • Slurred speech
  • Blood shot eyes
  • Unbalanced coordination
  • Hazardous driving such as swerving and erratic lane changing
  • Sensory indicators, such as odor of alcohol 


Most drivers make an officer’s detective work much less difficult by offering incriminating information such as ‘I’ve only had a few drinks tonight.’ This can be used against you in court.

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