Illinois Forcible Entry & Detained Summons (also known as an eviction notice) is a legal document served to tenants by landlords in order to notify the tenant that they are in violation of their lease and must vacate the premises. This document informs the tenant that the landlord has filed a complaint in court and that a hearing will be held to determine if the tenant must vacate the property. There are three types of Illinois Forcible Entry & Detained Summons: 1) Summons to Answer a Complaint, 2) Summons to Vacate and Deliver Possession, and 3) Summons to Show Cause. The Summons to Answer a Complaint is served to the tenant to inform them of the landlord’s complaint in court and to require them to appear in court. The Summons to Vacate and Deliver Possession is served to the tenant if the court has ruled in favor of the landlord. This document informs the tenant that they must vacate the property and deliver possession to the landlord within a certain period of time. The Summons to Show Cause is served to the tenant if the court has found that the tenant has not paid rent or otherwise violated the lease agreement. This document requires the tenant to appear in court to explain why they should not be evicted.