Idaho Code § 34-1406
The county clerk shall give notice for each political subdivision for any election by publishing such notice in the official newspaper of the county. The notice shall state the date of the election, the polling places, and the hours during which the polls shall be open for the purpose of voting. The first publication shall be made not less than twelve (12) days prior to the election, and the last publication of notice shall be made not less than five (5) days prior to the election. For each primary, general and special election, the county clerk shall cause to be published a facsimile, except as to size, of the sample ballot in at least two (2) newspapers published within the county, but if this is not possible, the sample ballot shall be published in one (1) newspaper published within the county or one (1) newspaper that has general circulation within the county. Such publication shall be in conjunction with the second notice of election required by this section. The political subdivision shall notify the county clerk in writing of the official newspaper of the political subdivision.
Idaho Code § 34-1406