2009 California Food and Agricultural Code - Section 5721-5723 :: Article 2. Standards Of Cleanliness

5721.  If the director by regulation designates any plant,
appliance, or other thing as liable to be infected or infested with
any pest, and provides for notifying the commissioner of its arrival
as required by Article 1 (commencing with Section 6501), Chapter 3,
Part 2 of this division, he may include in the regulations standards
of cleanliness for the plant, appliance, or other thing and provide
for the certification by the commissioner of the county of origin of
shipment that it conforms to the standards of cleanliness. The
regulations may provide for the qualification of certain counties or
certain areas where in the opinion of the director the standards of
cleanliness are maintained in respect to all shipments of the
designated plant, appliance, or thing. The regulations may also
provide for shipments which originate in areas that are so qualified.

5722.  The commissioner of the county of destination may waive the
notification and holding for inspection of any shipment which bears a
certificate of cleanliness or certificate of origin, issued pursuant
to this article.

5723.  This article is not applicable to seed which is intended for
planting purposes or to other nursery stock.