Tex. Lab. Code § 451.001 : LABOR CODE — WORKERS' COMPENSATION — DISCRIMINATION ISSUES — DISCRIMINATION PROHIBITED — Discrimination Against Employees Prohibited TEXT PDF A person may not discharge or in any other manner discriminate against an employee because the employee has: (1) filed a workers' compensation claim in good faith; (2) hired a lawyer to represent the employee in a claim; (3) instituted or caused to be instituted in good faith a proceeding under Subtitle A; or (4) testified or is about to testify in a proceeding under Subtitle A. Tex. Lab. Code § 451.001 Acts 1993, 73rd Leg., ch. 269, Sec. 1, eff. 9/1/1993.