Cal. Food & Agric. Code § 59648

In addition, the director may obtain lists of producers that are affected, whenever and in such manner as he may deem necessary or advisable for the purpose of checking, comparing, or correcting such lists. The director shall maintain a current list of producers which is based upon the records of operations under each marketing program. Such producer list shall, subject to any proper corrections, be final and conclusive in making determinations relative to the assent by producers upon a marketing program.