N.D. Cent. Code § 12-45-03
The officer holding the inquest provided for in section 12-45-01 may require any inmate of the penitentiary or North Dakota youth correctional center to testify at the inquest. The warden or superintendent shall produce before such inquest any inmate of the penitentiary or North Dakota youth correctional center upon the written request of the officer holding the inquest. Any such inmate shall be accompanied by such officer as the warden or superintendent may designate and as may be necessary to prevent the inmate's escape, and when no longer required before the inquest, the inmate must be returned immediately to the institution of which the person is an inmate. The testimony of each witness taken at the inquest shall be reduced to writing under the order of the officer holding the inquest and subscribed by the witness. The proceedings of the jury shall be as provided in other cases of inquest held by the coroner.
N.D.C.C. § 12-45-03