(a) If a municipality is unable to recruit qualified fire fighters because of the maximum age limit prescribed by Section 143.023 and the municipality's governing body finds that this inability creates an emergency, the commission shall recommend to the governing body additional rules governing the temporary employment of persons who are 36 years of age or older.
(b) A person employed under this section:
(1) is designated as a temporary employee;
(2) is not eligible for pension benefits;
(3) is not eligible for appointment or promotion if a permanent applicant or employee is available;
(4) is not eligible to become a full-fledged civil service employee; and
(5) must be dismissed before a permanent civil service employee may be dismissed under Section 143.085.