Washington Revised Code Title 69. Food, Drugs, Cosmetics, and Poisons § 69.50.475. Cannabis retail outlets--Sale to persons under the age of twenty-one--Penalty

(1) Except as otherwise authorized in this chapter and as provided in subsection (2) of this section, an employee of a retail outlet who sells cannabis products to a person under the age of twenty-one years in the course of his or her employment is guilty of a gross misdemeanor.

(2) An employee of a retail outlet may be prosecuted under RCW 69.50.401 or 69.50.406 or any other applicable provision, if the employee sells cannabis products to a person the employee knows is under the age of twenty-one and not otherwise authorized to purchase cannabis products under this chapter, or if the employee sells or otherwise provides cannabis products to a person under the age of twenty-one outside of the course of his or her employment.