Healthy Food or Beverage Choices shall: Be displayed in a way that is easily distinguishable from food and beverages that do not meet Healthy Vending Standards listed in Section 12-211; and Be stocked in positions with highest selling potential. Water without added caloric sweeteners is required to be stocked in beverage machines. Beverages that do not meet the Healthy Vending Standards listed in Section 12-211 shall be placed in positions with the lowest selling potential.