(110 ILCS 947/155)
    Sec. 155. Enforcement of contract. The provisions of this Act and of any resolution or proceeding authorizing the issuance of bonds shall constitute a contract with the holders of the bonds, and the provisions thereof shall be enforceable either by mandamus or other proceeding in any court of competent jurisdiction to enforce and compel the performance of all duties required by this Act and by any resolution authorizing the issuance of bonds adopted in response hereto.
(Source: P.A. 87-997.)