Foods, including beverages and ingredients, in transit to vending machine locations shall be protected from contamination with dirt, dust, insects, rodents, and other foreign material. Similar protection shall be provided for single-service containers, as defined in ch. ATCP 75 Appendix part 1-201.10, and for the product contact surfaces of equipment, containers, and devices in transit to machine locations.
Wis. Admin. Code Department of Agriculture, Trade and Consumer Protection ATCP 75.42