A bulk milk hauler/sampler shall: Carry a bulk milk hauler’s permit when operating a milk tank truck, except when a raw milk producer is hauling raw milk from the producer’s farm only to the milk processing plant; Ensure that no interval greater than 2 hours elapses between milk pick-ups from farm to farm, and no more than 24 hours elapses from the first pick-up to delivery of the raw milk to the processing plant; Ensure bulk raw milk is picked up from every dairy farm at least every 3 days; Ensure bulk raw milk is delivered or received by the processor or receiving station within 84 hours of the initial milking; Ensure the temperature of the bulk raw milk does not exceed 50°F; Ensure operations are in accordance with the Bulk Milk Hauler/Sampler Manual; and In accordance with Standard Methods for the Examination of Dairy Products, 3.042, A, ensure proper agitation of the farm bulk tank raw milk. A person may not transfer milk or milk products from a milk transport container or milk tank truck to another container or milk tank truck unless the transfer occurs: From a bulk milk tank to another permitted bulk milk tank truck on the dairy farm where the milk is produced; In a receiving station; In a transfer station; or In a milk plant. Vehicles used for the transportation of can milk or cream shall be enclosed and constructed to protect the product from extreme temperature, dust, or other adverse conditions. Stainless steel cans used in transporting milk from the dairy farm to a milk facility shall be constructed according to 3-A Sanitary Standards. Milk transport containers used in transporting milk from the dairy farm to a milk facility shall be approved by the Secretary. Vehicles used for the transportation of milk from the dairy farms to a milk facility may not be used for any other purpose. Vehicles used for the transportation of milk shall be equipped with decking boards or racks when more than one tier of milk containers are carried. The milk tank truck driver shall take responsibility for any official samples that may accompany the milk tank truck.