805 ILCS 30/9
Any corporation purchasing or leasing the real and personal property of any other company or companies, as provided for in section 1, or any consolidated corporation, as authorized by section 2, shall be subject to and shall perform, for each of the companies so entering into said agreement or agreements, the legal obligations now resting upon each of them, respectively, under their respective charters and ordinances, except where the provisions thereof conflict with the exercise of the powers herein granted, in the same manner and to the same extent as if the companies had remained individual and distinct; and such performance by said corporation so purchasing or leasing, or by such consolidated corporation, shall be held and considered as the performance by each of the respective companies so selling, leasing or consolidating of the legal obligations theretofore resting upon each of them respectively: Provided, however, That nothing in this act shall be construed as extinguishing said companies entering into the agreement or agreements mentioned in this act, or annulling or impairing any of their respective franchises, licenses or privileges, but they shall severally be regarded as still subsisting, so far as their continuance for the purpose of upholding any right, title or interest, power, privilege or immunity ever exercised or enjoyed by any of them be necessary for the protection of their respective creditors or mortgagees, or any of them; the separate exercise of their respective powers, and the separate enjoyment of their separate privileges and immunities being suspended until the protection of such creditors or mortgagees shall require their resumption, when such suspension shall cease, so far as, and for such time as, the protection of such creditors or mortgagees may require.
805 ILCS 30/9