The Illinois Affidavit For Service By Publication is a legal document used to serve notice to a person who cannot be located or cannot be served by traditional service methods. This type of service is used when a defendant is believed to reside in a particular area of the state, but cannot be found or served with the usual methods of service. This affidavit allows someone to serve the defendant by publishing a notice in a newspaper. The Illinois Affidavit For Service By Publication is used in cases where the defendant has failed to respond to a summons, either because they were not served properly or because they cannot be located. The Affidavit must be signed and approved by the court before it can be used. There are two types of Illinois Affidavit For Service By Publication: 1. Affidavit for Service by Publication in a Local Newspaper — This form is used when the defendant is believed to reside in the same county as the plaintiff. 2. Affidavit for Service by Publication in a Newspaper of General Circulation — This form is used when the defendant is believed to reside in a different county than the plaintiff.