Idaho constitution
Article XVIII
Section 2

No county seat shall be
removed unless upon petition of a majority of the qualified electors of the county,
and unless two-thirds (2/3) of the qualified electors of the county, voting on the
proposition at a general election, shall vote in favor of such removal. A proposition
of removal of the county seat shall not be submitted in the same county more than
once in six (6) years, except as provided by existing laws. No person shall vote at
any county seat election who has not resided in the county six (6) months, and in
the precinct ninety (90) days.