WA HB2532

Selling, furnishing, distributing, or giving away devices, canisters, tanks, or receptacles containing nitrous oxide or flavored nitrous oxide is classified as a gross misdemeanor

Medical and dental practitioners licensed in Washington are exempt when administering nitrous oxide for patient care

Nitrous oxide in food products used as a propellant (such as whipped cream dispensers) is exempt from the prohibition

Manufacturing and industrial uses of nitrous oxide are exempt, as is sale and use for automotive purposes

"Nitrous oxide" is defined to include N2O, dinitrogen monoxide, dinitrogen oxide, nitrogen oxide, and laughing gas