Overview of Texas Forgery Laws. Texas forgery law makes it a crime to forge a "writing" with intent to defraud or harm another person.What does forgery entail? Forgery is listed in section 32.21 of the Texas Penal Code. 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. 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 person commits an offense if he forges a writing with intent to defraud or harm another. Forgery is making, using, altering, or possessing a false document with the intent to commit fraud.