The following items must be presented to the Court for filing: 1. Simpler, smarter, safer.Principal's Signature. Sworn to (or affirmed) and subscribed before me this the day of. A tutorial to assist in completing the Family History Affidavit from the Estates Division of the Mecklenburg County Clerk of Superior Court. This affidavit must renewed annually at the beginning of each school year. AFFIDAVIT. This tutorial will provide a step-by-step guide to completing form mvr 317 the affidavit of authority to assign title. Sworn to (or affirmed) and subscribed before me this ______ day of.