815 ILCS 105/4
Current through Public Act 103-593
Any note, bond, bill or other written instrument, made payable to any person named as payee therein, shall be assignable, by indorsement thereon, under the signature of such person, and of his assignees, in the same manner as bills of exchange are, so as to transfer absolutely and vest the property thereof in each and every assignee successively.
815 ILCS 105/4