2009 California Food and Agricultural Code - Section 41101-41102 :: Article 1. General Provisions

41101.  The director shall have supervision and control over the
commissioners and their deputies or inspectors in the performance of
their duties under this chapter.

41102.  The certificates which are provided for in this chapter are
prima facie evidence of the true average soluble solids test of all
of the grapes in the lot or load under consideration. The presumption
established by this section is a presumption affecting the burden of
proof, but it does not apply in a criminal action.