Cal. RTC § 196.9

On or before December 31, 1993, each eligible county, as described in Section 196.7, shall compute and remit to the Controller for deposit in the General Fund an amount equal to the amount allocated to it by the Controller pursuant to Section 196.7, less the actual amount of its property tax revenue lost in the 1992–93 fiscal year on the regular secured and supplemental rolls with respect to eligible properties as a result of the reassessment of those properties pursuant to Section 170, excluding any property tax revenue lost by school districts (other than basic state aid school districts), county offices of education, and community college districts. If the amount computed pursuant to this section for an eligible county described in this section is less than zero, the Controller shall allocate that amount to the county.