ARS § 13-2002 defines Arizona's forgery law. A person commits forgery if, with intent to defraud, the person: 1.Falsely makes, completes or alters a written instrument; or 2. Section 32.21 of the Texas Penal Code codifies the offense of forgery. In Arizona, a written instrument may be considered a forged instrument if it has an altered dollar figure or other material information. In the Greater Houston Area, the law firm of The Law Office of Matthew D. Sharp has the most experience in defending clients against charges of forgery. If you're charged with forging a check in Texas, defend yourself and work with Houston check forgery attorney Ned Barnett. Free consults: (713) 222-6767. The State Auditor's Office investigates allegations of illegal acts and improprieties involving any entity that receives funds from the state.