An acknowledgment is one of the most common types of notarial acts, but it often confuses Notaries. Here are 5 steps to performing an acknowledgment.Acknowledgment (in a representative capacity):​​ State of Illinois County of ___________________. This article and video will show Notaries to fill out each part of a notarial certificate, and common mistakes to avoid. This 5-step guide will teach you how to notarize a document that requires an acknowledgement (the most common notarial act). Illinois Free Notary Acknowledgment Template. Use our Notary Acknowledgment Form to certify that you have signed a legal document in front of a notary public. This Easy Form helps you make forms to tell the state who a child's biological father is. A program to help you complete the forms to acknowledge that someone is the father of a child. So, in Illinois, people use the socalled notary acknowledgment form to verify the authenticity of their signatures.