Amendment by petition and vote of electors

Amendments may be proposed to this constitution by petition of the registered electors of this state. Every petition shall include the full text of the proposed amendment, and be signed by registered electors of the state equal in number to at least 10 percent of the total vote cast for all candidates for governor at the last preceding general election at which a governor was elected. Such petitions shall be filed with the person authorized by law to receive the same at least 120 days before the election at which the proposed amendment is to be voted upon. Any such petition shall be in the form, and shall be signed and circulated in such manner, as prescribed by law. The person authorized by law to receive such petition shall upon its receipt determine, as provided by law, the validity and sufficiency of the signatures on the petition, and make an official announcement thereof at least 60 days prior to the election at which the proposed amendment is to be voted upon.