N.D. Cent. Code § 44-04-06: Peace officers to report law violations

The state's attorney, assistant state's attorney, sheriff, deputy sheriff, or peace officer of any county, township, city in this state, having any evidence, knowledge, or notice of any violation of any laws of North Dakota shall investigate and seek evidence of the violation and the names of witnesses by whom the violation may be proved. A peace officer shall report the information to the state's attorney of the county in which the violation occurs and shall assist the state's attorney in the prosecution of the violators of said laws.