Versions of Iowa Code 598.9 - Residence -- failure of proof on LawServer 2023 Iowa Code 598.9 – Residence — failure of proof 2022 Iowa Code 598.9 – Residence — failure of proof. 2020 Iowa Code 598.9 – Residence — failure of proof. 2018 Iowa Code 598.9 – Residence — failure of proof. 2016 Iowa Code 598.9 – Residence 2014 Iowa Code 598.9 – Residence – failure of proof. 2009 Iowa Code 598.9 – Residence — failure of proof