(810 ILCS 5/8-206) (from Ch. 26, par. 8-206)
    Sec. 8-206. Completion or alteration of security certificate.
    (a) If a security certificate contains the signatures necessary to its issue or transfer but is incomplete in any other respect:
        (1) any person may complete it by filling in the
blanks as authorized; and
        (2) even if the blanks are incorrectly filled in, the
security certificate as completed is enforceable by a purchaser who took it for value and without notice of the incorrectness.
    (b) A complete security certificate that has been improperly altered, even if fraudulently, remains enforceable, but only according to its original terms.
(Source: P.A. 89-364, eff. 1-1-96.)