California Code, Food and Agricultural Code (Formerly Agricultural Code) - FAC § 55604.1

Where the processor is operating under continuous United States Department of Agriculture inspection, the United States Department of Agriculture grade determination shall be accepted as final in accounting to the producer.

Where the processor is not operating under continuous United States Department of Agriculture inspection, any dispute as to grade shall be settled by lot inspection to be made by the United States Department of Agriculture. In the event any lot is shipped within 30 days of processing, the processor shall draw representative samples in accordance with United States Department of Agriculture sampling procedures, and the samples shall be held for a period of not less than 30 days from the date of processing for the inspection if necessary.