An affidavit of forgery is an official declaration that a fraudulent act was committed. It should be completed, notarized, and sent to notify institutions.I am first duly sworn and state I am: Name. Court Forms, Free forms are available for those actions that only require the single form to be filed on an existing case. Please call if you have questions. New York State Law requires the licensing and testing of notaries. Instructions on how to complete the "Forged Endorsement Affidavit".