RCW 66.28.100: Spirits to be labeled—Contents.

Every person manufacturing spirits as defined in this title shall put upon all packages containing spirits so manufactured a distinctive label, showing the nature of the contents, the name of the person by whom the spirits were manufactured, the place where the spirits were manufactured, and showing the alcoholic content of such spirits. For the purpose of this section the contents of packages containing spirits shall be shown by the use of the words "whiskey", "rum", "brandy", and the like, on the outside of such packages.