Versions of Iowa Code 8A.509 - Defense to claim on LawServer 2023 Iowa Code 8A.509 – Defense to claim 2022 Iowa Code 8A.509 – Defense to claim 2020 Iowa Code 8A.509 – Defense to claim 2018 Iowa Code 8A.509 – Defense to claim 2016 Iowa Code 8A.509 – Defense to claim 2014 Iowa Code 8A.509 – Defense to claim. 2009 Iowa Code 8A.509 – Defense to claim