• Before loading food not completely enclosed by a container onto a vehicle or into transportation equipment, you must determine, considering, as appropriate, any specifications provided by the shipper, that the vehicle or transportation equipment is in appropriate sanitary condition for the transport of the food, for example, it is inadequate physical condition, and free of visible evidence of pest infestation and previous cargo that could cause the food to become unsafe during transportation. You may accomplish this by any appropriate means. (21 CFR 1.908(c)(1))
• Before loading food that requires temperature control for safety, you must verify, considering, as appropriate, specifications provided by the shipper, that each mechanically refrigerated cold storage compartment or container is adequately prepared for the transportation of such food, including that it has been properly pre-cooled, if necessary, and meets other sanitary conditions for food transportation. (21 CFR 1.908(c)(2))