Notary: Do you solemnly swear (or affirm) that the testimony that you are about to give will be the truth, the whole truth, and nothing but the truth? General affidavit form for use within Pennsylvania.Modify this affidavit to meet your specific needs. Finally, you'll need to sign the affidavit before a notary public. Once it's been notarized, the affidavit is legally binding. When notarizing an affidavit, make sure the signer appears before you in person. Box 8: Type date signed. Box 9: The person who served the Defendant must sign his or her name. A sample affidavit that may be used in Pennsylvania state civil litigation. PA Notaries authenticate signatures on a wide range of documents, including deeds, affidavits, and contracts.