(70 ILCS 1830/4)
(from Ch. 19, par. 504)
All property of every kind owned by the Port District shall be
exempt from taxation, provided that a tax may be levied upon a lessee of
the Port District by reason of the value of a leasehold estate separate and
apart from the fee simple title, or upon such improvements as are
constructed and owned by others than the Port District.
(Source: Laws 1965, p. 1013.)