Idaho Code § 34-603: Certification of a proposed constitution, constitutional amendment or other question to be submitted to the people for vote.

Whenever a proposed constitution, constitutional amendment or other question is to be submitted to the people of the state for popular vote, it shall be certified by the secretary of state to the county clerks not later than September 7 in the year in which it will be voted upon. It shall be published in the form prescribed by the secretary of state.