N.D. Cent. Code § 58-05-06

All bonds required by this title for any township officer must be obtained from the North Dakota state bonding fund or from a corporate surety company authorized to do business in this state. Personal sureties may not be accepted on any such bond. The premiums for bonds of the North Dakota state bonding fund must be paid by the township, and the township may not pay the premium upon any other bond except such as is procured to replace a bond canceled by the state bonding fund.