1. In any claim alleging an act or omission causing injury, loss, or death suffered by an agricultural tourist on an agricultural tourism farm, it is an affirmative defense that an agricultural tourism farmer, an agricultural tourism professional, or a person engaged in farming the agricultural tourism farm is not liable pursuant to section 673A.4.
2. The affirmative defense described in subsection 1 is in addition to any other limitation of legal liability otherwise provided by law, including as provided in chapters 461C and 673.