(a) Except as provided by § 521.457(h), the department shall suspend the person‘s license if the department determines that the person:
(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 § 545.421.

Terms Used In Texas Transportation Code 521.292


(b) For purposes of Subsection (a)(3), a person is a “habitual violator” if the person has four or more convictions that arise out of different transactions in 12 consecutive months, or seven or more convictions that arise out of different transactions in 24 months, if the convictions are for moving violations of the traffic laws of any state, Canadian province, or political subdivision, other than a violation under:
(1) § 621.101, 621.201, or 621.203-621.207;
(2) Subchapter B or C, Chapter 623; or
(3) § 545.413.