Sec. 158.013. EXEMPTIONS. (a) A person who on August 30, 1971, was an employee of an eligible county under this subchapter may not be required to take a competitive examination or perform any other act to maintain the position held on that date. (b) This subchapter does not apply to: (1) assistant district attorneys, investigators, or other employees of a district or criminal district attorney, except as provided by Section 158.007; (2) the official shorthand reporter of a court; or (3) an elected or appointed officer under the constitution. Acts 1987, 70th Leg., ch. 149, Sec. 1, eff. Sept. 1, 1987.