N.D. Cent. Code § 6-08-25
A bank or trust company organized and doing business under the laws of any state or territory of the United States of America, including the District of Columbia, other than the state of North Dakota, and a national bank, duly authorized so to act, may be appointed and may serve in this state as trustee, whether of a corporate or personal trust, executor, administrator, guardian for a minor or for an incompetent person, or in any other fiduciary capacity, whether the appointment is by will, deed, court order, or decree, or otherwise, when and to the extent that the state, territory, or district in which such bank or trust company is organized or has its principal place of business grants authority to serve in like fiduciary capacities to a bank or trust company organized and doing business under the laws of this state.
N.D.C.C. § 6-08-25