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). Through the acknowledgment form, the notary ensures that the person has given their signature intentionally and for the purpose outlined in the document. This article and video will show Notaries to fill out each part of a notarial certificate, and common mistakes to avoid. Most Maryland court forms and brochures are available in this index. The person who served the documents should fill out an affidavit of service. An affidavit is a sworn statement.