Vendor must complete, sign, and notarize the "Affidavit of Fraudulent Activity" form on the following page. An affidavit of forgery is an official declaration that a fraudulent act was committed.It should be completed, notarized, and sent to notify institutions. Important: The person alleging forgery. AFFIDAVIT OF FORGERY must complete this form in longhand. 1. The account holder MUST provide an Affidavit of Forgery before any criminal charges can be filed! An affidavit must accompany each forged or counterfeited item. Please type or print the information below. Respondents are required to complete, sign, and return this form with their submittal. This affidavit is made voluntarily for the purpose of establishing the fact that an instrument was forged.