1. The sublessee shall be liable for the full rent of the sublessor in the amount of. The Cook County RTLO provides renters' rights and landlord protections to Cook County suburban residents.Wondering how to fill out a standard rental contract? The purpose of our sample lease is to provide you with an example from which to follow along with the sections of our lease training video. TAKE ACTION: Sign the Tenant Declaration Form to protect yourself and your household from eviction for nonpayment of rent. This lease is up to date with Cook County and Illinois law for 2021. 2. The attached lease is in a fillable PDF format to aid in its use. Find all of Domu's free, printable Chicago apartment lease agreement forms here. If not, the tenant may be able to end the rental agreement. Landlords are wise to complete an inspection checklist with any new tenants.