Section 9. A constitutional amendment may be proposed by initiative petition. The proposed amendment may not embrace or be comprised of more than one subject, as determined by the secretary of state, and the secretary of state may not approve the initiative petition for circulation if the proposed amendment comprises more than one subject. If signed by electors equal in number to four percent of the resident population of the state at the last federal decennial census, the petition may be submitted to the secretary of state. All other provisions relating to initiative measures apply hereto to initiative measures for constitutional amendments.

Section 16. Any amendment to this constitution may be proposed in either house of the legislative assembly, and if. The proposed amendment may not embrace or be comprised of more than one subject. If agreed to upon a roll call by a majority of the members elected to each house, must be submitted to the electors and if a majority of the votes cast thereon upon the question are in the affirmative, the amendment is a part of this constitution.