Tex. Labor Code § 62.155: EMPLOYMENT OF CERTAIN YOUTHS AND STUDENTS.

An employer is exempt from this chapter with respect to the employment of a person who:

(1) is less than 18 years of age and is not a high school graduate or a graduate of a vocational training program, other than a person who is employed in agriculture and whose pay is computed on a piece rate;

(2) is less than 20 years of age and is a student regularly enrolled in a high school, college, university, or vocational training program, other than a person who is employed in agriculture and whose pay is computed on a piece rate; or

(3) has a disability and who is:

(A) not more than 21 years of age;

(B) a client of vocational rehabilitation; and

(C) participating in a cooperative school-work program.

Acts 1993, 73rd Leg., ch. 269, Sec. 1, eff. Sept. 1, 1993.