An ordinance under this chapter does not become effective unless it is approved by at least two-thirds of the qualified electors voting on the question. If a proposed ordinance is approved, the supervisors shall enact it into law. Land use regulations prescribed in any ordinance adopted by the supervisors pursuant to this section have the force and effect of law in the district and are binding and obligatory upon all qualified electors living within the district.
N.D.C.C. § 4.1-20-27