(a) It shall be unlawful for any person to fire or discharge a firearm on the property of another person, firm, or corporation without having first obtained permission from the owner or lessee of the property. This Code section shall not apply to:

(1) Persons who fire or discharge a firearm in defense of person or property; and

(2) Law enforcement officers.

(b) Any person who violates subsection (a) of this Code section is guilty of a misdemeanor.