N.D. Cent. Code § 15-20.4-13
Any postsecondary career school not exempt from this chapter, which has a place of business in this state, and which instructs or educates, or offers to instruct or educate, enrolls or offers to enroll, or contracts or offers to contract, to provide instructional or educational services in this state, whether such instruction or services are provided in person or by correspondence, to a resident of this state, or which offers to award or awards any educational credentials to a resident of this state, submits such school, and if a natural person, the person's personal representative, to the jurisdiction of the courts of this state, concerning any claim for relief arising therefrom, and for the purpose of enforcement of this chapter by injunction pursuant to section 15-20.4-14. Service of process upon any such school subject to the jurisdiction of the courts of this state may be made by personally serving the summons upon the defendant within or outside this state, in the manner prescribed by the North Dakota Rules of Civil Procedure, with the same force and effect as if the summons had been personally served within this state. Nothing contained in this section limits or affects the right to serve any process as prescribed by the North Dakota Rules of Civil Procedure.
N.D.C.C. § 15-20.4-13