Idaho Code § 72-1501: Commission for reapportionment.

(1) A commission for reapportionment shall be organized, upon the order of the secretary of state, in the event that:

(a) A court of competent jurisdiction orders a redistricting of an existing state legislative or congressional plan; or

(b) In a year ending in one (1), a new federal census is available, in which case an order shall be issued no earlier than June 1.

(2) A commission formed pursuant to paragraph (1)(b) of this section shall be reconvened if, prior to the next general election, a court of competent jurisdiction orders the plan adopted by that commission to be revised.