Sec. 11-58. Storage, Display And Serving Of Food And Beverage:
   (a)   All food and beverage shall be so stored, displayed and served as to be protected from dust, flies, vermin, depredation and pollution by rodents, unnecessary handling, droplet infection, overhead leakage, and other contamination.
   (b)   No animals or fowls shall be kept or allowed in any room in which food or beverage is prepared or stored.
   (c)   All means necessary for the elimination of flies, roaches and rodents shall be used. (1963 Code § 14.520)