It shall be unlawful for the owner or custodian of any animal:

    (i)  To allow, permit, urge, or encourage such animal to attack, charge or approach any person or animal while growling, barking, with raised hackles or in any other threatening manner, or;  

    (ii)  To allow, permit, urge, or encourage such animal to attempt to attack, attempt to approach, any person or animal while such animal is growling, barking, with raised hackles or in any other threatening manner, any person, or;

    (iii)  To threaten to sic, urge or command any animal to attack or charge any person or animal; or threaten to cause such animal to approach any person or animal while such animal is growling, barking, with raised hackles or in any other threatening manner, any person or animal.

However, this section shall not apply to any person engaged in excusable or justifiable self-defense.