Every processor, except a licensed winegrower, that receives any farm product from the producer of the farm product for processing on a consigned basis shall promptly make and keep a correct record which shows in detail all of the following with reference to the processing, handling, storage, and sale of such farm product:
(a)
The name and address of the consignor.
(b)
The date received.
(c)
The quantity received.
(d)
The size of the containers into which the finished product is packed.
(e)
The grade and quality of the finished product.
(f)
The price which is obtained from the sale of the finished product.
(g)
An itemized statement of costs and charges which the processor paid in connection with the processing, handling, storage, and sale of the farm product. Any services rendered for which charges are made, if not filed with the director, shall be charged at cost, if not covered by a written contract. Cost-supporting data shall be available for verification.