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.- REQUIRED INFORMATION WHEN NOTARIZING A DOCUMENT . 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). How to complete this section: Upload a "Proof of Permission" document in the "Proof of Permission" section.