According to the law, they are required to exempt CCW carriers. Looks like it is targeting open carry.
An ordinance adopted by the municipal government shall not prevent the following in municipal buildings or police stations: (1) possession of firearms, components of firearms, and ammunition or explosives by law enforcement officers; (2) law enforcement agencies receiving shipments or delivery of firearms, components of firearms, ammunition or explosives; (3) law enforcement agencies conducting firearms safety and training programs; (4) law enforcement agencies from conducting firearm or ammunition public safety programs, donation, amnesty, or any other similar programs in police stations or municipal buildings; (5) compliance by persons subject to protection from abuse court orders;
(6) carrying firearms and ammunition by persons who hold a valid license pursuant to either § 1441 or §1441A of Title 11 of this Code so long as the firearm remains concealed except for inadvertent display or for self-defense or defense of others; (7) officers or employees of the United States duly authorized to carry a concealed firearm; or (
agents, messengers and other employees of common carriers, banks, or business firms, whose duties require them to protect moneys, valuables and other property and are engaged in the lawful execution of such duties.
