California Code, Education Code - EDC § 14505

(a) A provision to withhold 10 percent of the audit fee until the Controller certifies that the audit report conforms to the reporting provisions of subdivision (a) of Section 14503.

(b) A provision to withhold 50 percent of the audit fee for any subsequent year of a multiyear contract if the prior year's audit report was not certified as conforming to reporting provisions of subdivision (a) of Section 14503. This provision shall include a statement that a multiyear contract will be null and void if a firm or individual is declared ineligible pursuant to subdivision (c) of Section 41020.5. The amount withheld is not payable unless payment is ordered by the California Board of Accountancy or the audit report for that subsequent year is certified by the Controller as conforming to reporting provisions of subdivision (a) of Section 14503.

(c) Within 30 days from the date of receipt of written notification that the Controller refuses to certify an audit report as conforming to reporting provisions of subdivision (a) of Section 14503, an auditor or audit firm having a portion of an audit fee withheld pursuant to these provisions may file an appeal in writing with the California Board of Accountancy. The board shall complete an investigation of the appeal within 90 days of the filing date and, on the basis of the investigation, do either of the following:

(d) If the board orders the Controller to provide notification that the audit report conforms to reporting provisions of subdivision (a) of Section 14503, the Controller shall notify the contracting school district which shall then release the portion of the audit fee being withheld in accordance with this section.