Overview of Texas Forgery Laws. Texas forgery law makes it a crime to forge a "writing" with intent to defraud or harm another person.Check Forgery in Texas. The Texas law against forgery prohibits falsifying documents, money, licenses, checks, stamps, credit cards, and any other writing or commercial instrument Forging documents in Texas is a serious crime with severe penalties. Learn about Texas forgery laws, defenses, and possible penalties. In the State of Texas, an individual will be charged with forgery when they forge a writing with the intent to harm or defraud another individual. "Forgery", as per § 32.21 of the Texas Penal Code, occurs when a person forges a writing with intent to defraud or harm another.