Florida constitution
Article VIII: "local government"
Section 5

(b) Each county shall have the authority to require a criminal history records check and a 3 to 5-day waiting period, excluding weekends and legal holidays, in connection with the sale of any firearm occurring within such county. For purposes of this subsection, the term "sale" means the transfer of money or other valuable consideration for any firearm when any part of the transaction is conducted on property to which the public has the right of access. Holders of a concealed weapons permit as prescribed by general law shall not be subject to the provisions of this subsection when purchasing a firearm.