Illinois Landlords Five Day Notice, also known as a 'Notice to Quit', is a document that is served to tenants in the state of Illinois to inform them that they have five days to vacate the rental property or face eviction proceedings. This document is generally used when the tenant is behind on rent payments or has violated the terms of the rental agreement. The Notice to Quit is generally issued by the landlord, and must be served to the tenant in person or through certified mail. There are two types of Illinois Landlords Five Day Notice: 1. Nonpayment of Rent Notice: This notice is served when a tenant is behind on rent payments and is given five days to pay the rent or vacate the property. 2. Unconditional Notice: This notice is served when a tenant has violated the terms of the rental agreement and is given five days to vacate the property.