For notaries commissioned or recommissioned on and after January 1, 2016, the seal must also contain the notary public's Secretary of State ID number. A properly completed, notarized general affidavit form can be useful in legal proceedings.An Affidavit of Identity is a legal document that is used to formally confirm or verify a person's identity. The affidavit is to be used as a last resort when the Medicaid applicant or recipient is unable to provide other documentation of citizenship or identity. The first step is to get the correct affidavit form, which can vary based on the jurisdiction and purpose. This article and video will show Notaries to fill out each part of a notarial certificate, and common mistakes to avoid. Broadly speaking, you are swearing that what is in the document is true. You may get a Texas affidavit of residency and even have it notarized at PandaDoc. Notarization: A notary public verifies the affiant's identity and witnesses the signature, ensuring legality. The City of Houston's Municipal Courts Department (MCD) now offers Public Notary Services at the Herbert W. Gee Municipal Courthouse at 1400 Lubbock.