Texas Transportation Code - TRANSP § 521.452. Alias Driver's License for Law Enforcement Purposes

(a) After written approval by the director, the department may issue to a law enforcement officer an alias driver's license to be used in supervised activities involving a criminal investigation.

(b) An application for, or possession or use of, an alias driver's license for a purpose described by this section by the officer to whom the license is issued is not a violation of this subchapter unless the department has canceled, suspended, or revoked the license.