(1) A cheque may be crossed generally or specially by the drawer.

(2) Where a cheque is uncrossed, the holder may cross it generally or specially.

(3) Where a cheque is crossed generally the holder may cross it specially.

(4) Where a cheque is crossed generally or specially, the holder may add the words "not negotiable."

(5) Where a cheque is crossed specially the banker to whom it is crossed may again cross it especially to another banker for collection.

(6) Where an uncrossed cheque, or a cheque crossed generally, is sent to a banker for collection, he may cross it especially to himself.