70 ILCS 410/10

Every district shall seek the guidance of and consult with the Department of Natural Resources on all matters relating to conservation and recreation policies and plans.

In addition to the limitations and restrictions on districts otherwise provided in this Act, the Department of Natural Resources may adopt rules which shall govern the activities and procedures of districts. All proposals and plans of a district for the acquisition of real property, the exercise of the right of eminent domain and the development of real property shall be submitted to and approved in writing by the Department of Natural Resources. However, if the Department of Natural Resources adopts rules governing the activities and procedures of districts, the rules shall apply and, unless required by the rules, the written approval of the Department of Natural Resources shall not be required on any matter governed by the rules.