The attorney general may make an investigation in any county in this state to the end that the laws of the state shall be enforced therein and all violators thereof brought to trial, when:
The necessary expenses incurred in making the investigation or in prosecuting any resulting case, as determined by the attorney general and not otherwise specifically provided by law, must be paid by the county out of the state's attorney's contingent fund. All such expenses paid from the state's attorney's contingent fund must be paid by the county treasurer upon the warrant of the county auditor. The warrant must be executed and delivered by the auditor in an amount and to the person designated therein upon the written order of the attorney general.
N.D.C.C. § 54-12-03