Cal. Food & Agric. Code § 68041

“Producer” or “grower,” means any person who is engaged, within this state, in the business of producing, or causing to be produced for market, kiwifruit, who shall, upon request, provide proof of commodity sale and proof of assessment payment during the preceding marketing season, or provide adequate proof, as determined by the commission, of actual or anticipated commodity sale and assessment payment during the existing marketing season.