California Code, Food and Agricultural Code (Formerly Agricultural Code) - FAC § 58894

A marketing order may contain provisions which establish, or provide authority for establishing, and for regulating the permissive use of an official board brand, trade name, or label, or other distinctive designation of grade, quality, or condition, except the grade or quality designations in effect pursuant to state or federal grade standards, for any commodity, other than wine, either as such commodity is produced or is delivered by producers to handlers, or as handled or otherwise prepared for market, or marketed by producers or handlers. As provided in Section 59236, the permissive use of any such official board brand, trade name, or label or other distinctive designation of quality shall be limited to producers and handlers of the commodity that are participating in the marketing agreement or order, and that are in compliance with its provisions and with any regulation, or rule and regulation, which is adopted under it. Any official brand or trade name which is established pursuant to this section shall not be construed as a private brand or trade name with respect to Section 58889.