N.D. Cent. Code § 11-06-01
Territory may be transferred from one county to another by compliance with the provisions of this chapter. A majority of the qualified electors, as determined by the vote cast for the office of governor at the last general election, residing in any territory comprising an area of not less than one congressional township, may petition the board of county commissioners of the county in which they reside, and the board of county commissioners of the county to which they desire territory transferred, for permission to have the territory described in the petition transferred from one county to another. Such petition shall be presented to the boards of county commissioners of the counties affected at least sixty days before a general election.
N.D.C.C. § 11-06-01