Any courthouse solely occupied by the Circuit, Appellate or Supreme Court, or any courtrooms, administrative offices, libraries or other rooms of any such court whether or not such court solely occupies the building in question. This Subparagraph shall also include, but not be limited to, any juvenile, family, drug or other court offices, any room or office wherein any of the courts or offices listed in this Subparagraph are temporarily conducting any business within the jurisdiction of such courts or offices, and such other locations in such manner as may be specified by Supreme Court Rule pursuant to Subparagraph (6) of this Subsection. Nothing in this Subparagraph shall preclude those persons listed in Subparagraph (1) of Subsection
(B) of Section
210.330 while within their jurisdiction and on duty, those persons listed in Subparagraphs (1), (2), (3), (4), (5), (6), (7) and (8) of Subsection
210.330(B), or such persons who serve in a law enforcement capacity for a court as may be specified by Supreme Court Rule pursuant to Subsection
(4) of Section
210.330, from carrying a concealed firearm within any of the areas described in this Subparagraph. Possession of a firearm in a vehicle on the premises of any of the areas listed in this Subparagraph shall not be a criminal offense so long as the firearm is not removed from the vehicle or brandished while the vehicle is on the premises;