Wyoming defines criminal trespassing as when "a person enters or remains on or in the land or premises of another person, knowing he is not authorized to do so, or after being notified to depart or to not trespass." In this case, "notice" includes signs. Find No Trespassing signs that work in conjunction with Wyoming state law. These signs are printed with Wyoming code Wyo. Stat. § 6-3-303 to ensure that Wyoming residents have federal support in penalizing violators. The Private Property: No Trespassing signs are printed on durable aluminum that will last for years in all weather with bold 3M ink to ensure that slogans stay clear for years. View the signs below to learn more.