The document will need to include the date and location where the notary witnessed the signature and verified the signer's identity. 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. Your state laws provide sample wording for acknowledgment certificates. To make the acknowledgment valid, it must include the words. "acknowledged before me. This 5-step guide will teach you how to notarize a document that requires an acknowledgement (the most common notarial act). The forms of acknowledgment set forth in this section may be used and are sufficient for their respective purposes under any law of the Commonwealth. A Virginia notary acknowledgment form verifies signatures on official documents, including lease agreements, affidavits, and consent forms. Use our Notary Acknowledgment Form to certify that you have signed a legal document in front of a notary public.