Cal. Food and Agricultural Code § 81005

(a) The department shall establish a registration fee and appropriate renewal fee to be paid by growers of industrial hemp and hemp breeders, not including an established agricultural research institution, to cover the actual costs of implementing, administering, and enforcing the provisions of this division. (b) Fees established pursuant to subdivision (a) that are collected by the commissioners upon registration or renewal pursuant to Section 81003 or 81004, except for amounts retained pursuant to this subdivision, shall be forwarded, according to procedures set by the department, to the department for deposit into the Department of Food and Agriculture Fund to be used for the administration and enforcement of this division. A commissioner or the county, as appropriate, may retain the amount of a fee necessary to reimburse direct costs incurred by the commissioner in the collection of the fee. (c) The board of supervisors of a county may establish a reasonable fee, in an amount necessary to cover the actual costs of the commissioner and the county of implementing, administering, and enforcing the provisions of this division, except for costs that are otherwise reimbursed pursuant to subdivision (b), to be charged and collected by the commissioner upon registrations or renewals required pursuant to Section 81003 or 81004 and retained by the commissioner or the county, as appropriate.