[Footnote 1] 810.09 Trespass on property other than structure or conveyance. ---

(1) Whoever, without being authorized, licensed, or invited, willfully enters upon or remains in any property other than a structure or conveyance as to which notice against entering or remaining is given, either by actual communication to the offender or by posting, fencing, or cultivation as described in s. 810.011, commits the offense of trespass on property other than a structure or conveyance.

(2)

(a) Except as provided in this subsection, trespass on property other than a structure or conveyance is a misdemeanor of the first degree, punishable as provided in s. 775.082 or s. 775.083.

(b) If the offender defies an order to leave, personally communicated to him by the owner of the premises or by an authorized person, or if the offender willfully opens any door, fence, or gate or does any act that exposes animals, crops, or other property to waste, destruction, or freedom, unlawfully dumps litter on property, or trespasses on property other than a structure or conveyance, he is guilty of a misdemeanor of the first degree, punishable as provided in s. 775.082 or s. 775.083.

(c) If the offender is armed with a firearm or other dangerous weapon during the commission of the offense of trespass on property other than a structure or conveyance, he is guilty of a felony of the third degree, punishable as provided in s. 775.082, s. 775.083, or s. 775.084. Any owner or person authorized by the owner may, for prosecution purposes, take into custody and detain, in a reasonable manner, for a reasonable length of time, any person when he reasonably believes that a violation of this paragraph has been or is being committed, and he reasonably believes that the person to be taken into custody and detained has committed or is committing such violation. In the event a person is taken into custody, a law enforcement officer shall be called as soon as is practicable after the person has been taken into custody. The taking into custody and detention by such person, if done in compliance with the requirements of this paragraph, shall not render such person criminally or civilly liable for false arrest, false imprisonment, or unlawful detention.

(d) The offender shall be guilty of a felony of the third degree, punishable as provided in s. 775.082, s. 775.083, or s. 775.084, if the property trespassed is a construction site that is legally posted and identified in substantially the following manner: This area is a designated construction site, and anyone trespassing on this property shall, upon conviction, be guilty of a felony.