N.D. Const. Enabling Act § 3
That all persons who are qualified by the laws of said territories to vote for representatives to the legislative assemblies thereof, are hereby authorized to vote for and choose delegates to form conventions in said proposed states; and the qualifications for delegates to such conventions shall be such as by the laws of said territories, respectively, persons, are required to possess to be eligible to the legislative assemblies thereof, and the aforesaid delegates to form said conventions shall be apportioned within the limits of the proposed states, in such districts as may be established as herein provided, in proportion to the population in each of said counties and districts, as near as may be, to be ascertained at the time of making said apportionments by the persons hereinafter authorized to make the same, from the best information obtainable, in each of which districts three delegates shall be elected, but no elector shall vote for more than two persons for delegates to such conventions; that said apportionments shall be made by the Governor, the chief justice and the secretary of said territories; and the governors of said territories shall, by proclamation, order an election of the delegates aforesaid in each of said proposed states, to be held on the Tuesday after the second Monday in May, 1889, which proclamation shall be issued on the fifteenth day of April 1889; and such election shall be conducted, the returns made, the result ascertained and the certificates to persons elected to such conventions issued in the same manner as is prescribed by the laws of the said territories regulating elections therein for delegates to Congress; and the number of votes cast for delegates in each precinct shall also be returned. The number of delegates to said conventions respectively, shall be seventy-five; and all persons resident in said proposed states, who are qualified voters of said territories as herein provided, shall be entitled to vote upon the election of delegates, and under such rules and regulations as said conventions may prescribe, not in conflict with this act, upon the ratification or rejection of the constitutions.