Every officer impeached shall be suspended by the governor from the exercise of the officer's official duties until the officer's acquittal, and the governor shall forthwith appoint some suitable person to temporarily fill the office, and that person, having qualified as required by law, shall perform all the duties and enjoy all the rights pertaining to the office until the removal of the suspension of the person's predecessor or the election of a successor.
Iowa Code § 68.5
Qualification by temporary officer, §63.9, 67.8