194.17  Records.
  Each creamery, cheese factory or milk processing plant shall maintain records of all purchases and receipts of milk from individual producers. These records must show:
  1.  Name of producer.
  2.  Date of delivery.
  3.  Quantity delivered.
  4.  Grade assigned.
[C62, 66, 71, 73, 75, 77, 79, 81, §194.17]