North Dakota Century Code Title 20.1. Game, Fish, Predators, and Boating § 20.1-01-17. Posting of lands by owner to prohibit hunting--How posted--Signs defaced

a. Place signs alongside the public highway or the land giving notice that hunting is not permitted on the land. The name of the person posting the land must appear on each sign in legible characters. The signs must be readable from the outside of the land and must be placed conspicuously not more than eight hundred eighty yards [804.68 meters] apart. As to land entirely enclosed by a fence or other enclosure, posting of signs at or on all gates through the fence or enclosure constitutes a posting of all the enclosed land; or

b. Designate the land as posted or closed to hunting in an online database or other electronic application maintained or authorized by the state and available to the public which identifies whether land is available to hunters. The name of the person posting the land electronically must be visible to users of the online database or electronic application.