Acknowledgement (2). A Michigan notary acknowledgment form is a document that a notary public uses to verify an individual's signature on a legal instrument.Acknowledged before me in ______ County, Michigan, on ______, ______. 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. Michigan Legal Help has tools to fill many kinds of forms but we do not cover all areas. You may have a blank form that you need to fill out on your own. Michigan notary acknowledgement forms are certificates that authenticate the signatures inscribed within a legal instrument.