California Code, Financial Code - FIN § 14867

(a) Shares, including special shares, and certificates for funds may be withdrawn for payment to the owner or for any third party, in the manner and in accordance with written procedures which shall be established by the board of directors.

(b) The board of directors may waive any requirement of notice of intent to withdraw or provide that there is no requirement of notice of intent to withdraw or to transfer funds, except when requirement of the notice is imposed by applicable law.

(c) Unless otherwise provided by written agreement of the parties, the rights, responsibilities, and liabilities of a person regarding an item withdrawn from a credit union, or transferred to a credit union or otherwise handled by a credit union are defined in and determined by the provisions of Division 3 (commencing with Section 3101) and Division 4 (commencing with Section 4101) of the Commercial Code, as if the credit union were a bank.