N.D. Cent. Code § 26.1-02-20
Except as otherwise provided by this section and section 26.1-02-22, any insurance company organized or admitted to transact business in this state, including a mutual company, may reinsure any part or all of any risk taken by it in any insurance company or insurer licensed in any state or any insurance company or insurer not so licensed or any nonprofit health service corporation whether or not licensed in this state provided it was approved or accepted by the commissioner, if that company or insurer or nonprofit health service corporation conforms to the same standards of solvency which would be required if, at the time the reinsurance is effected, it was licensed in this state. A county mutual insurance company also may reinsure with any other county mutual insurance company. No reinsurance, however, may be effected with any company disapproved therefor by written order of the commissioner filed in the commissioner's office. A domestic insurance company organized to engage in the business of life, accident, or health insurance may not reinsure its risks or any part thereof without complying with chapter 26.1-07.
N.D.C.C. § 26.1-02-20