(35 ILCS 200/15-155)
    Sec. 15-155. Port districts. All property belonging to the Chicago Regional Port District or any other port district created by the legislature of this State is exempt. However, a tax may be levied upon a lessee of such property based on the value of a leasehold estate separate and apart from the fee, or upon improvements constructed and owned by others than the Port District.
(Source: Laws 1961, p. 3370; P.A. 88-455.)