This regulation from the Department of Records provides for notary affidavits in response to fraudulently recorded documents. A PA Notary Public serves as an impartial witness to the signing of important documents, ensuring the identity of signers.Do I fill the Affidavit of Identity out before going to a notary? No. A notary expects to witness your signature. This article and video will show Notaries to fill out each part of a notarial certificate, and common mistakes to avoid. I am first duly sworn and state I am: Name. Everything you need to know about notarizing affidavits. Learn what an affidavit is and how to notarize it.