Forgery is defined under Texas Penal Code 32.21 and covers various fraud offenses. Forgery involves the creation, alteration, or use of a false document with the intent to defraud or deceive.An "Affidavit of Forgery" is a notarized, sworn statement, attesting that the signature appearing on it is indeed a forgery. Under Texas Penal Code § 32.21, an alleged offender commits forgery if he or she forges a writing with intent to defraud or harm another. 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. A forgery occurs when a person attempts to pass off any type of writing with the intent to defraud or harm another. Forgery is one of these means, and is defined as making or changing documents or items in order to trick or deceive another.