(a) Each constable taking office on or after July 1, 2023, shall:

(1) Be at least 21 years of age;

(2) Be a citizen of the United States;

(3) Be a registered voter; and

(4) Have obtained a state approved high school equivalency (HSE) diploma.

(b) Additional qualifications for the office of chief constable or constable or both may be imposed by local law.