Sec. 21.055. RETALIATION. An employer, labor union, or employment agency commits an unlawful employment practice if the employer, labor union, or employment agency retaliates or discriminates against a person who, under this chapter: (1) opposes a discriminatory practice; (2) makes or files a charge; (3) files a complaint; or (4) testifies, assists, or participates in any manner in an investigation, proceeding, or hearing. Acts 1993, 73rd Leg., ch. 269, Sec. 1, eff. Sept. 1, 1993.
Retaliation
Tex. Labor Code § 21.055, under Employment Discrimination.
Tex. Labor Code § 21.055