California Code, Health and Safety Code - HSC § 34327.6

All funds of housing authorities not subject to audit by a federal agency shall be audited at least once each year at the expense of the housing authority by a certified public accountant or a public accountant holding a valid permit issued by the California Board of Accountancy. Audits made by a certified public accountant, or a public accountant, together with a final balance sheet and operations statement for the year for all authority funds, shall be filed for record purposes with the Department of Housing and Community Development. The authority shall prepare and file with the Department of Housing and Community Development a budget for the year for which the audit is taken with each audit prepared or submitted pursuant to this section.