Iowa Code § 357A.22: Personal liability.

Except as otherwise provided in this chapter, a director, officer, employee, or other personnel of the board are not liable on the district’s debts or obligations and a director, officer, employee, or volunteer of the board is not personally liable in that capacity, for a claim based upon an act or omission of the person performed in the discharge of the person’s duties, except for any of the following:

1. A breach of the duty of loyalty to the district.

2. Acts or omissions not in good faith or which involve intentional misconduct or knowing violation of the law.

3. A transaction from which the person derives an improper personal benefit.