N.D. Cent. Code § 40-51.2-03: Annexation by petition of owners and electors

Upon a written petition signed by not less than three-fourths of the qualified electors or by the owners of not less than three-fourths in assessed value of the property in any territory contiguous or adjacent to any incorporated municipality and not embraced within the limits thereof, the governing body of the municipality, by ordinance, may annex such territory to the municipality.