Illinois Complaint In Forcible Entry and Detained is a legal action taken when a tenant has wrongfully occupied a property after their lease has expired. It is also used when a tenant has failed to pay rent for the property or is otherwise in violation of the lease agreement. It is a way for the landlord to regain control of the property and remove the tenant from the premises. The two types of Illinois Complaint In Forcible Entry and Detained are Residential and Commercial. When filing a Residential Complaint In Forcible Entry and Detained, the landlord must provide proof that the tenant has failed to pay rent or has violated the terms of the lease agreement. For Commercial Complaint In Forcible Entry and Detained, the landlord must prove that the tenant has wrongfully taken possession of the property and must demonstrate that the tenant has not been paying rent or is otherwise in violation of the lease agreement. Once the complaint has been filed, the court will issue a summons for the tenant to appear in court. The tenant will then have a chance to defend themselves and present evidence to the court as to why they should not be evicted from the property. If the tenant is found guilty of the complaint, the court will issue a judgment of eviction and the tenant must vacate the property within a specified amount of time.