549.08  DISCHARGING FIREARMS.
   (a)   No person shall discharge any air gun, rifle, shotgun, revolver, pistol or other firearm within the corporate limits of the Municipality without written permission of the Mayor. 
   (b)   This section does not apply when firearms are used in self defense, in the discharge of official duty or when otherwise lawfully authorized.
   (c)    Whoever violates this section is guilty of a misdemeanor of the fourth degree.