Iowa Code § 66.26: Appointive state officers.

Any appointive state officer may also be removed from office by a majority vote of the executive council for any of the following causes:

1. Habitual or willful neglect of duty.

2. Any disability preventing a proper discharge of the duties of the office.

3. Gross partiality.

4. Oppression.

5. Extortion.

6. Corruption.

7. Willful misconduct or maladministration in office.

8. Conviction of felony.

9. A failure to produce and fully account for all public funds and property in the officer’s hands at any inspection or settlement.

10. Becoming ineligible to hold the office.