Texas Statutes
Subchapter B. Unlawful Employment Practices
Section 21.055. Retaliation

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.