Overview of Texas Forgery Laws. Texas forgery law makes it a crime to forge a "writing" with intent to defraud or harm another person.Forgery in Texas ranges from a misdemeanor to a felony. Contact a Fort Worth forgery lawyer at Varghese Summersett for a free consultation. Brian J. Newman offers AGGRESSIVE CRIMINAL DEFENSE in Fort Worth, Texas for people who are accused of a crime. 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. The Tarrant County Sheriff's Office Criminal Investigations Division (CID) processes all cases reported to the Sheriff's Officer. Forging certain types of documents is considered a state jail felony: 180 days to two years in a state jail facility.