(a) The commission shall set the age and physical requirements for applicants for beginning and promotional positions in accordance with this chapter. The requirements must be the same for all applicants.
(b) The commission shall require each applicant for a beginning or a promotional position to take an appropriate physical examination. The commission may require each applicant for a beginning position to take a mental examination. The examination shall be administered by a physician, psychiatrist, or psychologist, as appropriate, appointed by the commission. The municipality shall pay for each examination.

(c) If an applicant is rejected by the physician, psychiatrist, or psychologist, as appropriate, the applicant may request another examination by a board of three physicians, psychiatrists, or psychologists, as appropriate, appointed by the commission. The applicant must pay for the board examination. The board’s decision is final.