(1) Unless otherwise provided by law, any person who is in possession of a concealed “firearm,” as defined in s. 790.001(6), or a “destructive device,” as defined in s. 790.001(4), within the premises of a “pharmacy,” as defined in chapter 465, is guilty of a felony of the third degree, punishable as provided in s. 775.082, s. 775.083, or s. 775.084. (2) The provisions of this section do not apply:
(a) To any law enforcement officer;
(b) To any person employed and authorized by the owner, operator, or manager of a pharmacy to carry a firearm or destructive device on such premises; or
(c) To any person licensed to carry a concealed weapon.