In any case where there is a duty to warn a trespasser against a dangerous condition of the premises, that duty is discharged by painting, at intervals of not more than 200 feet on each side of the premises, upon or near the boundary, a post, structure or natural object with not less than 50 square inches of fluorescent orange paint or, if the post is a metal fence post, painting the entire post with such paint.
NRS 41.1393