Idaho Code § 43-201A
If, pursuant to section 43-201, Idaho Code, the secretary of the district verifies that there is only one (1) qualified candidate who has been nominated for the position of director to be filled, it shall not be necessary to hold an election for that position, and the board of directors shall declare such candidate elected as director at the next regularly scheduled board meeting following the expiration of the date for filing written nominations. If the secretary of the district verifies that there is no qualified candidate, the incumbent director's term of office shall continue until the director's successor is elected and qualified. The procedure set forth in this section shall not apply to any other irrigation district election.
Idaho Code § 43-201A