5. Enter the county where the affidavit is notarized. 6. 1. Identify the lost item and gather relevant details.In this lesson, you will learn what an affidavit is and how to format one. You'll also review a sample template that can be used to construct an affidavit. Notary Public Forms. In this article, we answer frequently asked questions from Signing Agents about the USA PATRIOT Act Customer Identification Program Form. Simpler, smarter, safer.