Minn. R. 4655.8680
TRANSPORT OF FOOD
Food shall be covered during transport through nondietary areas, but need not be covered when served in a contiguous dining area. The food service system shall be capable of keeping food hot or cold until served. A dumbwaiter or conveyor, which cab or carrier is used for the transport of soiled linen or soiled dishes, shall not be used for the transport of food.