Cal. Bus. & Prof. Code § 26228.3
The board of directors of every association shall cause to be sent to the members of the association not later than 120 days after the close of the fiscal or calendar year an annual report of the operations of the association, unless the report is expressly dispensed with in the bylaws. If required by the bylaws, interim reports of the operations of the association for the three-month, six-month, or nine-month periods of the current fiscal year of the association shall be furnished to the members of the association. Such annual report and any such interim reports shall include a balance sheet as of such closing date. Such financial statement shall be prepared from, and be in accordance with, the books. It shall be prepared in a form that is sanctioned by sound accounting practice for the association or approved by a duly certified public accountant or a public accountant.
Ca. Bus. and Prof'l. Code § 26228.3