Expedited judgment and sale procedure for abandoned residential property. Section 5-12-130 Landlord remedies.9-92-100 Disposal of unclaimed vehicles. Notice for Termination With Cause. A landlord must have a legal reason, or cause, to make a tenant move out of a rental unit before the tenancy term has ended. Illinois landlord tenant law is silent on the obligations of the landlord regarding any personal property remaining on the premises after abandonment. Illinois state law dictates what must be done so make sure that you are well-versed with the rules, ordinances, and regulations in your city. Open and Notorious: Squatters must keep their occupation out in the open. Secretly squatting at a property does not qualify. If a property sits vacant and appears abandoned, a squatter may move in and attempt to take legal possession after 20 years.