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. A properly completed, notarized general affidavit form can be useful in legal proceedings.Here's how to make sure your affidavit is valid in Texas. Learn how to fill out an affidavit correctly with this comprehensive guide. Discover the steps, types, and when you might need an affidavit. Modify your documents and Insert Signature to the General Affidavit Form For Texas on any device without breaking a sweat. Discover a stepbystep guide to creating a general affidavit with Bryan Fagan, PLLC. Understand the legal requirements. By my signature below, I swear and affirm that I am the owner of the property. A general affidavit is a sworn statement made in writing, attesting to the authenticity of certain facts.