§ 10-103  EXEMPTIONS.
   The following devices are exempt from the provisions of these regulations:
      A.   Aircraft (except model aircraft);
      B.   Police, fire, ambulance and other governmental emergency vehicles;
      C.   Back-up alarm devices on trucks and other equipment when installed and operated in accordance with Society of Automotive Engineers Recommended Practice J 994, “Criteria for Back-up Alarm Devices”; and
      D.   Governmental warning devices (i.e., civil defense or fire siren).
(Ord. 1969-2, passed 5-26-1969; Ord. 1989-1, passed 3-13-1989)