Illinois Administrative Code
Title 17 - CONSERVATION
Part 4160 - PUBLIC USE OF HISTORIC SITES AND PROPERTIES
Section 4160.140 - Soliciting/Advertising/Renting/Selling

a) For any person to place signs or distribute advertising of any type on Agency owned or managed property without first obtaining a written permit from the Agency.

b) For any person to make sales or rentals or solicit sales or rentals including placing signs or distributing advertisements on Agency property without first obtaining a written permit, lease and/or license from the Agency or in the case of lands managed by the Agency without first obtaining a written permit, lease and/or license from the owner of the property and the written approval of the Agency.