California Code, Financial Code - FIN § 5605

(a) Any association that does not commence business within one year after the date of the issuance of its certificate of approval of articles of incorporation shall forfeit its certificate of approval of articles of incorporation, unless the commissioner, before the expiration of the one year period, shall have approved the extension of time within which it may commence business, upon a written application stating the reasons for delay. Upon forfeiture, the association's certificate of approval of articles of incorporation shall expire. Amounts credited on savings accounts or paid in on capital stock, including any income earned on these funds, shall be returned on a pro rata basis to their respective subscribers.

(b) The commissioner shall immediately notify the Secretary of State of forfeiture under this section.