N.D. Cent. Code § 40-12-07: Adoption of proposed ordinance - Effect - Repeal or amendment of initiated ordinance

If a majority of the qualified electors voting on an initiated ordinance vote in favor thereof, it shall become a valid and binding ordinance of the municipality. Any ordinance proposed by a petition and adopted by a vote of the people cannot be repealed or amended except by a vote of the people so long as the municipality remains under the commission system of government.