Tex. Transp. Code § 543.203

Not later than the seventh day after the date of conviction or forfeiture of bail of a person on a charge of violating a law regulating the operation of a vehicle on a highway or conviction of a person of negligent homicide or a felony in the commission of which a vehicle was used, the magistrate, judge, or clerk of the court in which the conviction was had or bail was forfeited shall immediately submit to the department a written record of the case containing the information required by Section 543.202.