A Minnesota notary acknowledgment form is a document used to authenticate the signature(s) on a legal instrument. 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. This 5-step guide will teach you how to notarize a document that requires an acknowledgement (the most common notarial act). Download a template here. Minnesota Free Notary Acknowledgment Template. Use our Notary Acknowledgment Form to certify that you have signed a legal document in front of a notary public. Complete the Notary Public Application form to become a new Minnesota notary, renew your commission, reappointment because your commission expired. Complete the Notary Public Application form to become a new Minnesota notary, renew your commission, reappointment because your commission expired. How do you fill out an acknowledgment letter?