Texas Transportation Code - TRANSP § 522.043. Restrictions; Offense

(a) On issuing a commercial driver's license, the department for good cause may impose one or more restrictions suitable to the license holder's driving ability and limitations, including restrictions:

(b) For purposes of this section, the department may not administer examinations or tests relating to the applicant's proficiency in the English language, but if an applicant cannot speak English sufficiently to communicate to department personnel the applicant's need for a commercial driver's license, the department may issue to the person a commercial driver's license restricted to operation in intrastate commerce.

(c) A person commits an offense if the person drives a commercial motor vehicle in violation of a restriction. An offense under this section is a Class C misdemeanor.