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?Important: The person alleging forgery must complete this form in longhand. The person alleging forgery must complete this form in longhand. This form is NOT designed to be printed and then filled in; it must be filled in using MS Word. Forward all three copies to the address noted. 2. PRINT or TYPE all matter entered on this form. 3. Affidavit of Check Forgery - Complete, print, sign and mail this form to Star One Credit Union per instructions below. 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 signature?