This guide will walk you through each step, ensuring your affidavit is accurate and legally binding. In the case of an acknowledgment, the notary public certifies as to the identity and execution of a document; the affidavit involves the administration of.To fill out this affidavit, you will need credible witnesses who can attest to your identity. Administering an oath or affirmation is an important role of a Notary. Understand when and how to perform both types of declarations using the NNA's guide. My legal name is ______. This article and video will show Notaries to fill out each part of a notarial certificate, and common mistakes to avoid. The Register of Deeds office administers notary public oaths for Wake County notaries and authenticates notary signatures. Have the witnesses fill out and sign their respective sections in the affidavit. 4. The notary will place the witnesses under oath and notarize the document. 5.