Wisconsin Administrative Code
Department of Agriculture, Trade and Consumer Protection
ATCP 55-89 - Food, Lodging, and Recreation Safety
Chapter ATCP 75 - Retail Food Establishments
Subchapter V - Vending Machines
Section ATCP 75.42 - Delivery of foods

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.