(a) Every officer employed or appointed below the level of department head shall satisfactorily complete a probationary period of not less than twelve (12) months with the employing law enforcement agency.
(b) A department head is not required to serve a probationary period.
(c) No certification, with the exception of Police Traffic Radar Operator, shall be issued to any law enforcement officer until such time as the appropriate probationary period, if any, has been completed.