A credit union may conclusively rely on any membership application, agreement, or signature card used to establish a share account as establishing ownership of any shares and other credits deposited therein, and may consider and treat any funds on share in such an account as belonging to and the sole and exclusive property of the member or members named on the account membership application, agreement, or signature card, unless otherwise notified or directed by such member or members.
La. R.S. § 6:653.3