669.25  Liability.
  A person who performs services for a fair, as defined in section 174.1, and is not a full-time employee of the fair is not personally liable for a claim based upon an act or omission of the person performed in the discharge of the person’s duties, except for acts or omissions which involve intentional misconduct or knowing violation of the law, or for a transaction from which the person derives an improper personal benefit.
2004 Acts, ch 1019, §30