(520 ILCS 5/3.6) (from Ch. 61, par. 3.6)
    Sec. 3.6. Before any person shall commercially control land or water, or both, in whole or in part for the taking of migratory waterfowl, he shall obtain a permit from the Department pursuant to this Article. That permit shall entitle him to possess blinds, pits or similar legal devices of concealment on that land or water. A person is "commercially controlling land or water or both" when he directly or indirectly receives compensation in exchange for the opportunity to enter onto that land or water.
(Source: P.A. 87-174.)