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

1. (1) employed in a bona fide executive, administrative, or professional capacity;
2. (2) employed as an outside salesperson or collector and paid a commission; or
3. (3) who performs services for a political subdivision as an elected official or as a member of a legislative body.

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