Section 549.12 which prohibits the discharge of firearms within the corporate limits, shall not apply to any of the following:
   (a)   The firing of firearms by law enforcement officers in the performance of their official duties or during training.
   (b)   The firing of a military salute by a duly authorized person.
   (c)   The discharge of firearms by military personnel acting under military authority;
   (d)   The discharge of firearms by any person in the exercise of the right of self defense; or
   (e)   The discharge of a blank gun with a blank cartridge in connection with an organized sporting event.
(Ord. 81-49.  Passed 3-2-81.)