California Code, Education Code - EDC § 1241.5

(a) At any time during a fiscal year, the county superintendent may audit the expenditures and internal controls of school districts he or she determines to be fiscally accountable, and shall conduct this audit in a timely and efficient manner.  The county superintendent shall report the findings and recommendation to the governing board of the district within 45 days of completing the audit.  The governing board shall, no later than 15 days after receipt of the report, notify the county superintendent of schools of its proposed actions on the county superintendent's recommendation.  Upon review of the governing board report, the county superintendent, at his or her discretion, may revoke the authority for the district to be fiscally accountable pursuant to Section 42650.

(b) At any time during a fiscal year, the county superintendent may review or audit the expenditures and internal controls of any school district in his or her county if he or she has reason to believe that fraud, misappropriation of funds, or other illegal fiscal practices have occurred that merit examination.  The review or audit conducted by the county superintendent shall be focused on the alleged fraud, misappropriation of funds, or other illegal fiscal practices and shall be conducted in a timely and efficient manner.  The county superintendent shall report the findings and recommendations to the governing board of the school district at a regularly scheduled school district board meeting within 45 days of completing the review, audit, or examination.  The governing board of the school district shall, no later than 15 calendar days after receipt of the report, notify the county superintendent of its proposed actions on the county superintendent's recommendations.  Upon review of the school district governing board report, the county superintendent, at his or her discretion, and consistent with law, may disapprove an order for payment of funds consistent with Section 42638.

(c) At any time during a fiscal year, the county superintendent may review or audit the expenditures and internal controls of any charter school in his or her county if he or she has reason to believe that fraud, misappropriation of funds, or other illegal fiscal practices have occurred that merit examination.  The review or audit conducted by the county superintendent shall be focused on the alleged fraud, misappropriation of funds, or other illegal fiscal practices and shall be conducted in a timely and efficient manner.  The county superintendent shall report the findings and recommendations to the governing board of the charter school at a regularly scheduled meeting, and provide a copy of the information to the chartering authority of the charter school, within 45 days of completing the review, audit, or examination.  The governing board of the charter school shall, no later than 15 calendar days after receipt of the report, notify the county superintendent and its chartering authority of its proposed response to the recommendations.