(a) A landowner or VAST may place snowmobile trail signs, markers, or posters on or adjacent to a snowmobile trail maintained by VAST if the landowner has granted permission for use of the land and for placement of the signs, markers, or posters.
(b) A person may not remove, deface, alter, or destroy trail signs, markers, or posters erected pursuant to subsection (a) of this section without the permission of VAST.
(c) The provisions of subsection (b) of this section shall not prevent a landowner from removing signs, markers, or posters that have been erected without permission of the landowner or that remain on the property after permission has been withdrawn.