Tex. Lab. Code § 21.101 : LABOR CODE — PROTECTION OF LABORERS — EMPLOYMENT DISCRIMINATION — EMPLOYMENT DISCRIMINATION — APPLICATION; EXCEPTIONS — Age Discrimination Limited to Individuals of Certain Age TEXT PDF The provisions of this chapter referring to discrimination because of age or on the basis of age apply only to discrimination against an individual 40 years of age or older. Tex. Lab. Code § 21.101 Amended by Acts 2019, Texas Acts of the 86th Leg.- Regular Session, ch. 257,Sec. 1, eff. 9/1/2019. Acts 1993, 73rd Leg., ch. 269, Sec. 1, eff. 9/1/1993.