2009 California Food and Agricultural Code - Section 5741-5744 :: Article 3. Prevention Of Pest Dissemination By Movement Of Appliances

5741.  To prevent the dissemination of pests through the agency of
appliances, the director may from time to time publish a list of such
pests which may be carried through such agencies and designate any
treatment which in his opinion would prevent their dissemination.

5742.  Except as otherwise provided in Section 5744, it is unlawful
for any person to ship or move any used appliances unless there is
furnished to the commissioner of the county of destination such proof
as he may require that the appliances either:
   (a) Have not been exposed to infestation or infection by any
pests.
   (b) Have been treated immediately prior to shipment or movement in
the manner which is designated by the director.

5743.  The commissioner of the county of destination shall refuse
entry of the used appliances until the proof required in Section 5742
is furnished.

5744.  The used appliances may be moved to a place which is
designated by the commissioner for treatment under his supervision.