(a) Bulk foods and product modules shall be protected from contamination during display, customer self-service, refilling and storage. Loaves of bread which are displayed where they may be handled by customers shall be packaged to prevent contamination.

(b) Containers of bulk pet foods and bulk non-food items shall be effectively separated by a barrier or open space from product modules containing food items for human consumption.

(c) Bulk food returned to the store by the customer shall not be offered for resale.

(d) All carry-out containers for bulk foods shall be clean and of food grade material.