I couldn't get the link to the AR code to work, so I did a search and here's a copy/paste of the verbiage of 5-39-305:
5-39-305. Criminal trespass on land.
(a)(1) A person shall not enter without written permission of the owner or lessee upon another person's property located outside the boundaries of any city or town if that land is either:
(A) Lawfully posted;
( Crop land; or
© Enclosed with a fence sufficient under § 2-39-101 et seq.
(2) The posting of land is not a requirement under this section.
((1) Any person who violates this section shall be deemed guilty of a violation and shall be subject to a fine not to exceed one hundred dollars ($100).
(2) However, a violation of this section shall be a Class B misdemeanor if the property was posted pursuant to the laws of this state.
© It is an affirmative defense to a prosecution that:
(1) The person did not knowingly enter upon another person's property;
(2) The person was a guest or invitee;
(3) The person was required to enter upon the premises of another for business reasons or for health and safety reasons;
(4) The person was authorized by law to enter upon the land; or
(5) The privately owned land was made open to the public.
(d)(1) This section shall not apply to public land.
(2) This section shall not apply to a law enforcement officer in the line of duty.
(e) Nothing in this section shall repeal any law concerning posting of land or trespass.
History. Acts 1995, No. 870, §§ 1, 2; 1999, No. 1029, § 4.