The Applicant must complete and sign this Acknowledgement and Attestation Form. The person acknowledging the record must personally appear before the notary.A Pennsylvania notary acknowledgment form is used to authenticate the signing of a document. It indicates that all parties' signatures are, in fact, their own. 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. Acknowledgment – I would confirm your understanding and willingness to sign the document. I would also need to confirm your signature. It indicates that all parties signatures are, in fact, their own. Decide how you are going to serve the other party.