N.D. Cent. Code § 36-01-18
The state veterinarian and authorized agents and representatives of the commissioner, for purposes of inspecting livestock in transit for health or ownership identification, may stop vehicles transporting livestock on public highways of this state. When signaled by the state veterinarian or an authorized agent or representative of the commissioner to stop, the operator of any vehicle shall stop the vehicle, show any health or identification forms which are required to be carried in transportation of livestock, and permit the inspector to make an inspection of the livestock being transported if deemed by the inspector to be necessary. Failure to stop when so directed is a class A misdemeanor. The inspector is authorized to use a stop signal.
The state veterinarian, or any authorized agent or representative of the commissioner, may call any sheriff or deputy sheriff, police officer, or highway patrol officer to execute its orders and those officers must obey. Any law enforcement officer may arrest and take before any district judge serving the county any person found violating this chapter. The law enforcement officer shall immediately notify the state's attorney of the county of the arrest and the state's attorney shall prosecute the person found violating this chapter.
N.D.C.C. § 36-01-18