Washington Revised Code Title 70. Public Health and Safety § 70.345.100. Product tastings--Requirements--Penalty

(a) The person is a licensed retailer under RCW 70.345.020;

(b) The tastings are offered only within the licensed premises operated by the licensee and the products tasted are not removed from within the licensed premises by the customer;

(c) Entry into the licensed premises is restricted to persons twenty-one years of age or older;

(d) The vapor product being offered for tasting contains zero milligrams per milliliter of nicotine or the customer explicitly consents to a tasting of a vapor product that contains nicotine;  and

(e) If the customer is tasting from a vapor device owned and maintained by the retailer, a disposable mouthpiece tip is attached to the vapor product being used by the customer for tasting or the vapor device is disposed of after each tasting.