Texas forgery law makes it a crime to forge a "writing" with intent to defraud or harm another person. The account holder MUST provide an Affidavit of Forgery before any criminal charges can be filed!An affidavit must accompany each forged or counterfeited item. Forging documents in Texas is a serious crime with severe penalties. Learn about Texas forgery laws, defenses, and possible penalties. Forgery in Texas are acts that involve altering writings in money or recorded information. Gain more insights from LegalMatch's law library. The Texas law against forgery prohibits falsifying documents, money, licenses, checks, stamps, credit cards, and any other writing or commercial instrument