This article and video will show you the information you need to write in each part of the certificate wording, and common mistakes to avoid. A brief description of each type of notarial act and the related certificate follows.For additional information, please see the Illinois Notary Handbook. Notary Services Index. Starting August 1, 2024, Illinois residents applying to be Notary Public or Electronic Notary Public must use our online application. Notary Certification for Principal and Surety. Given under my hand and notarial seal this day of. A.D.. My commission expires. Illinois Legal Aid Online provides a guided interview called an Easy Form that will help you fill out the forms. Supporting records, such as tax returns or pay stubs, sometimes validate the stated income numbers.