North Dakota Century Code Title 23.1. Environmental Quality § 23.1-02-03. Registration required

Each manufacturer, processor, and refiner of radioactive isotopes and each hospital, clinic, manufacturing establishment, research or educational institution, agricultural experiment station or center, processing mill, or other institution or place of business or process in which radiation is produced or radioactive materials are used, manufactured, processed, packaged, refined, produced, disposed, or concentrated shall register with the department. To register, each manager or officer in charge of any institution or establishment concerned with radioactive materials shall obtain a registration form from the department, complete it, and return it to the department.