(a) This section applies only to a municipality with a population of 1.5 million or more.
(b) A person who ends service with the police department for any reason and is later reappointed to the department must serve a probationary period of six months from the date of reappointment.
(c) The reappointed officer is not entitled to full civil service protection until the officer has served the full probationary period.
(d) In determining classification, pay status, and eligibility for promotion, the probationary period is counted as if the reappointed officer were not on probation.