315 ILCS 20/40
All shares and certificates of shares and all Mortgages of a Neighborhood Redevelopment Corporation issued without an order of the Redevelopment Commission approving such issuance, except the issuance of common shares upon pre-incorporation subscription, shall be void; and likewise every share and certificate of share and every Mortgage issued with the approval of the Redevelopment Commission, but not conforming in its provisions to the provisions, if any, which it is required by the order of approval of the Redevelopment Commission to contain, shall be void, but no failure in any other respect to comply with the terms or conditions of the order of approval of the Redevelopment Commission shall render void any such security except as to a corporation or person taking the same with notice of the failure to comply with the order of the Redevelopment Commission.
315 ILCS 20/40