Idaho Code § 23-920

A similar election may be subsequently called and held upon the issue of whether the sale of liquor by the drink shall be prohibited or, if prohibited, then an election to determine whether the sale of liquor by the drink shall be licensed. Such subsequent election shall be held upon the filing of a petition, as provided in section 23-917, signed by the requisite percentage of qualified electors. No such subsequent election shall be held prior to November 1, 1949, or oftener than two (2) years after the holding of any such subsequent election.