General Affidavits are written statements of fact used to support your case or verify facts that are sworn to be true in front of a notary public. An affidavit is a written statement made under oath that is typically used in legal proceedings.Learn their purpose, when to use, and how to write. A general affidavit is a sworn statement made in writing, attesting to the authenticity of certain facts. Affidavit definition: . See examples of AFFIDAVIT used in a sentence. Discover a stepbystep guide to creating a general affidavit with Bryan Fagan, PLLC. Understand the legal requirements. This handbook is designed to provide the offender population with general information along with a standard for acceptable behavior.