Make sure the only trespassers on your land are deer. These Private Property: No Trespassing signs specifically list Michigan trespassing code Mich. Comp. Laws § 750.552. Under the penal code, a person shall not enter the lands or premises of another without lawful authority, and will be punished with jail or a fine. Durable aluminum and 3M inks guarantee that your messages will last for years. Questions? Give us a call. Note: Michigan laws state that violators of the No Trespassing code are punishable with imprisonment for no more than 30 days, and/or a fine of no more than $250.00.