Washington · Revised Code of Washington — Title 46, Motor Vehicles
RCW Title 46 § 46.61.503: Driver under twenty-one consuming alcohol or cannabis—Penalties
What this law says, in plain English
A person under 21 who drives or controls a motor vehicle with detectable alcohol or THC in their system within two hours of driving commits a misdemeanor. An affirmative defense exists if alcohol or cannabis was consumed after driving.
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