(65 ILCS 5/11-15.1-5) (from Ch. 24, par. 11-15.1-5)
    Sec. 11-15.1-5. Any annexation agreement executed prior to October 1, 1973 which was executed pursuant to a two-thirds vote of the corporate authorities and which contains provisions not inconsistent with Section 11-15.1-2 hereof is hereby declared valid and enforceable as to such provisions for the effective period of such agreement, or for 20 years from the date of execution thereof, whichever is shorter.
    The effective term of any Annexation Agreement executed prior to the effective date of this Amendatory Act of 1985 may be extended to a date which is not later than 20 years from the date of execution of the original Annexation Agreement.
(Source: P.A. 84-835.)