Idaho constitution
Article XXI
Section 9

The board of commissioners of the several counties shall thereupon
order such election for said day, and shall cause notice thereof to be given, in the
manner and for the length of time provided by the laws of the territory in cases of
general elections for delegate to congress, and county and other officers. Every
qualified elector of the territory, at the date of said election, shall be entitled to
vote thereat. Said election shall be conducted in all respects in the same manner as
provided by the laws of the territory for general elections, and the returns thereof
shall be made and canvassed in the same manner and by the same authority as
provided in cases of such general election; but returns for all state and district
officers and members of the legislature, shall be made to the canvassing board
hereinafter provided for.