28-1178. Operation of off-highway vehicles; exceptions A person may operate an all-terrain vehicle or an off-highway vehicle in this state without a resident or nonresident off-highway vehicle user indicia issued pursuant to section 28-1177 if any of the following applies: 1. The person is participating in an off-highway special event. 2. The person is operating an all-terrain vehicle or an off-highway vehicle on private land. 3. The person is loading or unloading an all-terrain vehicle or an off-highway vehicle from a vehicle. 4. During a period of emergency or if the operation is directed by a peace officer or other public authority. 5. The vehicle displays a valid dealer license plate that the department issues pursuant to section 28-4533.
Arizona Legal Code