RCW 70.155.080: Purchasing, possessing by persons under 18—Civil infraction—Jurisdiction.

(1) A person under the age of eighteen who purchases or attempts to purchase, possesses, or obtains or attempts to obtain cigarettes or tobacco products commits a class 3 civil infraction under chapter 7.80 RCW and is subject to participation in up to four hours of community service and referral to a smoking cessation program at no cost. This provision does not apply if a person under the age of eighteen, with parental authorization, is participating in a controlled purchase as part of a liquor and cannabis board, law enforcement, or local health department activity.

(2) Municipal and district courts within the state have jurisdiction for enforcement of this section.