Texas Transportation Code - TRANSP § 521.292. Department's Determination for License Suspension

(1) has operated a motor vehicle on a highway while the person's license was suspended, canceled, disqualified, or revoked, or without a license after an application for a license was denied;

(2) is a habitually reckless or negligent operator of a motor vehicle;

(3) is a habitual violator of the traffic laws;

(4) has permitted the unlawful or fraudulent use of the person's license;

(5) has committed an offense in another state or Canadian province that, if committed in this state, would be grounds for suspension;

(6) has been convicted of two or more separate offenses of a violation of a restriction imposed on the use of the license;

(7) has been responsible as a driver for any collision resulting in serious personal injury or serious property damage;

(8) is under 18 years of age and has been convicted of two or more moving violations committed within a 12-month period; or

(9) has committed an offense under Section 545.421.

(1) Section 621.101, 621.201, or 621.203-621.207;

(2) Subchapter B  1 or C  2, Chapter 623; or

(3) Section 545.413.