A bank may conclusively rely on any application, agreement, or signature card used to establish a deposit account as establishing ownership of any and all funds and other credits deposited therein, and may consider and treat any and all funds on deposit in such an account as belonging to and the sole and exclusive property of the depositor or depositors named on the account application, agreement or signature card, unless otherwise notified or directed by such depositor or depositors.
La. R.S. § 6:317