55 ILCS 5/1-5001

(55 ILCS 5/1-5001) (from Ch. 34, par. 1-5001)

Sec. 1-5001.

Boundaries.

In counties of 300,000 inhabitants or
over, where the county seat is entirely located within the corporate limits
of a city or village, the boundaries of such county seat shall be the same
as the boundaries of such city or village, as the same are now, or may
hereafter be, constituted.

(Source: P.A. 86-962.)