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.(b) For an acknowledgment in a representative capacity: State of Nevada. How do I fill this out? In the case of an acknowledgment, the person is simply acknowledging (declaring, stating) that he or she signed the document. This article and video will show Notaries to fill out each part of a notarial certificate, and common mistakes to avoid. ACKNOWLEDGMENT (Witnessing or Attesting a Signature) quantity. 1. First, the signer has to be present in front of a public notary through an in-person or secure virtual video conferencing tool.