(a) Where an infant is the sole survivor in an account; and
(b) Where an infant holds stock jointly with a person under legal disability; and
(c) Where stock has by mistake been brought in or transferred into the sole name of an infant,
the Bank may, at the request in writing of the parent, guardian, or next friend of the infant, receive the dividends and apply them to the purchase of like stock, and the stock so purchased shall be added to the original investment.