To find Affidavits of Service go to Forms, visit a Court Help Center or ask the Court for one, most Courts will have this. Download the checklist of information you will need to complete this program. Start.Arrow Small Estate Affidavit Program. Learn how to craft an effective affidavit letter with our sample and essential components. 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.