Liquor licensees or employees may not:

(a) Tamper, dilute, or fortify any bottle of spirituous liquor;

(b) Sell or serve any spirituous liquor, beer, or wine other than ordered; or

(c) Substitute a nonalcoholic beverage when an alcoholic beverage has been ordered (see WAC 314-11-035 regarding a licensee's responsibility to not serve liquor to an apparently intoxicated person).