425 ILCS 40/2
Whenever the Director determines that geographic areas of contiguous territory within the State are in need of special protection from forest fires, the Director may order the establishment of one or more intensive forest fire protection districts, consisting of one or more counties or a portion or portions thereof, in such area. No such district may include any part of any territory of any forest preserve district or park district or successor thereof except for any land which was leased from the Department. The boundaries of each district so established shall be defined in the order of the Director and notice of the establishment of the District and its boundaries shall be published once each week for 3 successive weeks in one or more newspapers published in the district or having a general circulation therein and such additional notice may be given as the Director deems necessary, after which notice the establishment of such district shall be recorded in the office of recorder in each county wholly or partly within the District established.
425 ILCS 40/2