10.12.020 Driving While Under Influence of Intoxicating Liquor or Drugs.
A. A person is guilty of driving while under the influence of intoxicating liquor or any drug if he/she drives a vehicle within the County while:
1. He/she has 0.10 percent or more by weight of alcohol in his/her blood as shown by chemical analysis of his/her breath, blood, or other bodily substance made pursuant to the provisions of RCW 46.61.506 as now or hereafter amended; or
2. He/she is under the influence of or affected by intoxicating liquor or any drug; or
3. He/she is under the combined influence of or affected by intoxicating liquor and any drug.
B. The fact that any person charged with a violation of this Section is or has been entitled to use such drug under the laws of the state shall not constitute a defense against any charge of violating this Section.