This article discusses general affidavits, the notary requirement, and instructions for use. 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. Here's a step-by-step process for how to write an affidavit whether you need a short or long-form template. (MPT), a skills test designed to assess the examinee's ability to use fundamental lawyering skills in a realistic situation. Discover a stepbystep guide to creating a general affidavit with Bryan Fagan, PLLC. Understand the legal requirements.