The Illinois Affidavit For Change of Name-ADDress is a legal document used by residents of the state of Illinois to officially change the name and/or address on state-issued identification documents. This document must be completed and signed in the presence of a notary public in order to be valid. The affidavit serves as proof of the individual's new name and/or address and must be presented to the Secretary of State's office when requesting a new identification card. There are two types of Illinois Affidavit For Change of Name-ADDress, the adult affidavit and the minor affidavit. An adult affidavit is for residents 18 years or older, while a minor affidavit is for residents under the age of 18. Both types of affidavits require the individual to provide their full name, date of birth, and current address. Additionally, the adult affidavit requires a valid Illinois driver's license or state-issued identification card.