(70 ILCS 2405/16.7) (from Ch. 42, par. 315.7)

Sec. 16.7.

Any holder of any bond or bonds issued under this Act, or of any
of the coupons appertaining thereto, may by a civil action, mandamus,
injunction or other proceeding,
enforce and compel the performance of all duties required by Section 16.1
to 16.12, inclusive, of this Act, including the making and collection of
sufficient rates for the specified purposes provided by such Sections and
the proper application of the income therefrom.

(Source: P.A. 83-345.)