North Dakota Century Code Title 54. State Government § 54-40.4-02. Method of proposing home rule charter

1. Separate motions by one or more boards of county commissioners and one or more city governing bodies within each of those counties;

2. The execution of a joint powers agreement; or

3. A petition filed with the governing body of each county and city and signed by ten percent or more of the total number of qualified electors of each county and city voting for governor at the most recent gubernatorial election. The petition must be signed by at least ten percent of the electors residing within each participating city and ten percent of the electors residing in the remainder of the county.