MITS - Child - Types of ID Theft And Fraud. Endorsement on a cashed support reimbursement or refund was forged.Identity Theft: Affidavit of Forgery (DOC). Here is a list of all of the Do-It-Yourself forms on Michigan Legal Help. A Forgery Affidavit form is primarily used when the payee's signature has been forged in the process of receiving payment through a Dallas County check. Targets of identity theft could be you, your children, other dependents and nonfilers. Recognize tax scams and fraud.