The taking of an acknowledgment consists of positively identifying the signer of a document. 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. Create new requests, explore requests in other neighborhoods, and track requests you submit. Available for download now. Send acknowledgment letter via email, link, or fax. You can also download it, export it or print it out. An Illinois notary acknowledgment form is a written authentication from a notary that the signature on a document belongs to the signer. This article and video will show Notaries to fill out each part of a notarial certificate, and common mistakes to avoid. This instrument was acknowledged before me on ______(date) by.