(315 ILCS 5/26.3) (from Ch. 67 1/2, par. 88.3)
    Sec. 26.3. A bondholder or trustee for a bondholder shall have the right in addition to all other rights which may be conferred on such bondholder or trustee, subject to any contractual restrictions binding upon such bondholder or trustee, and to the limitations, terms and provisions in this Act contained:
    (a) By mandamus, injunction, civil action or proceeding to compel said Commission and the commissioners, officers, agents, or employees thereof to perform each and every term, provision and covenant contained in the bond resolution and in any contract of the Commission with or for the benefit of such bondholder or trustee, and to require the carrying out of any or all such covenants and agreements of said Commission and the fulfillment of all duties imposed upon said Commission by this Act.
    (b) By action or proceeding to enjoin any acts or things which may be unlawful, or the violation of any of the rights of such bondholders.
(Source: P.A. 83-345.)