770 ILCS 60/32

Payments to contractor by owner. No payments to the contractor or to his order of any money or other considerations due or to become due to the contractor shall be regarded as rightfully made, as against the sub-contractor, laborer, or party furnishing labor, services, material, fixtures, apparatus or machinery, forms or form work if made by the owner without exercising and enforcing the rights and powers conferred upon him in Sections 5, 21 and 22 of this Act.