Learn how to craft an effective affidavit letter with our sample and essential components. Learn how to craft your affidavit with reallife examples.An affidavit must be notarized, signed in the presence of witnesses, and the affiant must swear that the facts contained in it are true and correct. You can easily make an Affidavit within a few minutes using our document builder. Use our I130 affidavit sample and tips to create a strong affidavit for your spouse. Include these key points and avoid common mistakes. An affidavit is a sworn statement of fact that can be used in a variety of legal proceedings, from bankruptcy cases to family and civil litigation matters. Also known as an affidavit of indigency or a pauper's affidavit. Cause Number: (The Clerk's office will fill in the Cause Number when you file this form). "During the COVID19 pandemic, many courts started requesting something called a "proveup affidavit.