N.D. Cent. Code § 54-40.4-01: County-city home rule - City participation

One or more counties and one or more cities within each county may frame and adopt a home rule charter to form a single unit of local government pursuant to this chapter. A county-city home rule charter may include a city that participates in proposing the charter if a majority of the qualified electors of the city voting on the question approve the proposed charter.