I,. , certify that I am of sound mind, over the age of eighteen and fully capable of making this affidavit. 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. Many forms in Texas are not available in a fillintheblank format. Please choose the appropriate form from the list below. Vendor must complete, sign, and notarize the "Affidavit of Fraudulent Activity" form on the following page. This affidavit is made voluntarily for the purpose of establishing the fact that my signature is a forgery. 7. Do you know who forged your signatures? In general, Texas has very few official legal forms. This is why you will not always find a free fill-in-the-blank form for your situation.