Iowa Code § 88A.10: Penalties.

1. Any person who operates an amusement device or ride, concession booth or related electrical equipment at a carnival or fair without having obtained a permit from the director or who violates any order or rule issued by the director under this chapter is guilty of a serious misdemeanor.

2. A person who interferes with, impedes, or obstructs in any manner the director in the performance of the director’s duties under this chapter is guilty of a simple misdemeanor. A person who bribes or attempts to bribe the director is subject to section 722.1.

3. A person who fails to obey a safety-related requirement listed on a sign displayed at an amusement ride pursuant to section 88A.16, subsection 2, is subject to a civil penalty of one hundred dollars.