Cal. Revenue and Taxation Code § 195.101

(a) In fiscal year 2005–06, the auditors of the Counties of Del Norte, Humboldt, Lake, Mendocino, Napa, Sonoma, and Trinity, which counties were the subject of the Governor’s proclamations of a state of emergency for the severe rainstorms that occurred from December 19, 2005, to January 3, 2006, and caused flash floods, mudslides, the accumulation of debris, and that washed-out and damaged roads in those counties, shall certify to the Director of Finance an estimate of the total amount of the reduction in property tax revenues on both the regular secured roll and the supplemental roll for the 2005–06 fiscal year resulting from the reassessment by the county assessor pursuant to paragraph (1) of subdivision (a) of Section 170 of those properties that are eligible properties as a result of that disaster, except that the amount certified shall not include any estimated property tax revenue reductions to school districts, other than basic state aid school districts, and county offices of education. (b) For purposes of this section, “basic state aid school district” means any school district that does not receive a state apportionment pursuant to subdivision (h) of Section 42238 of the Education Code, but receives from the state only a basic apportionment pursuant to Section 6 of Article IX of the California Constitution.