Whenever the public official declares that a state of emergency exists, pursuant to s. 870.043, the following acts shall be prohibited during the period of said emergency throughout the jurisdiction:
(1) The sale of, or offer to sell, with or without consideration, any ammunition or gun or other firearm of any size or description.
(2) The intentional display, after the emergency is declared, by or in any store or shop of any ammunition or gun or other firearm of any size or description.
(3) The intentional possession in a public place of a firearm by any person, except a duly authorized law enforcement official or person in military service acting in the official performance of her or his duty.
Nothing contained in this chapter shall be construed to authorize the seizure, taking, or confiscation of firearms that are lawfully possessed, unless a person is engaged in a criminal act.