Must be at least 18 years old. 2. I am first duly sworn and state I am: Name.Instructions on how to complete the "Forged Endorsement Affidavit". Deputy Assessors in the Personal Property Division will be happy to help anyone with questions about how to fill out their affidavit. Business Change Form. Everything you need to know about notarizing affidavits. Learn what an affidavit is and how to notarize it.