Notwithstanding the period of irrevocability specified, the proxy becomes revocable when the agreement to purchase is terminated, the debt of the credit union or the member is paid, or the period of employment provided for in the contract of employment or the contract to perform services has terminated. In addition to paragraphs (1) through (3), a proxy of a member may be made irrevocable notwithstanding subdivision (c) if it is given to secure the performance of a duty or to protect a title, either legal or equitable, until the happening of events which by its terms, discharge the obligations secured by it.
Ca. Fin. Code § 14820