N.D. Cent. Code § 39-07-12
The person in charge of any garage or repair shop to which is brought any motor vehicle which shows evidence of having been involved in a reportable accident as provided in section 39-08-09 or of being struck by any bullet shall report or cause a report to be made to a police officer within twenty-four hours after such motor vehicle is received, and before any repairs are made to such vehicle, giving the registration number, and the name and address of the owner, operator, or person in control of such vehicle with a description of the location and type of damage to the vehicle, or any missing parts, if the vehicle does not have a sticker on a window thereof issued by a police officer, sheriff, or highway patrol trooper, bearing information to show that the accident in which the vehicle was involved has been investigated. The police officer investigating any reportable accident shall attach a sticker to the window of any damaged vehicle showing that the accident in which such vehicle was involved has been investigated. If the vehicle does bear such a sticker, the garage or repair shop need not make the report this section requires and may begin repairs immediately. After repairs have been made and before the vehicle is released, the sticker provided herein must be removed.
N.D.C.C. § 39-07-12