Cal. Pub. Util. Code § 3154
The board of directors of an 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 that 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.
The annual report and any interim reports shall include a balance sheet as of the closing date. The financial statement shall be prepared from, and be in accordance with, the books. It shall be prepared in a form consistent with generally accepted accounting principles or in consultation with a certified public accountant or a public accountant.
Ca. Pub. Util. Code § 3154