(a) A paper receptacle, ice cream cone, or other single service utensil to be used for serving food or drink shall be kept in a sanitary manner, protected from dust, flies, and other contaminants.
(b) A napkin, straw, toothpick, or other article may not be offered for the use of a person unless the article has been securely protected from dust, dirt, insects, rodents, and, as necessary and by all reasonable means, other contaminants.