Versions of Iowa Code 309.37 - Details of survey on LawServer 2024 Iowa Code 309.37 – Details of survey 2023 Iowa Code 309.37 – Details of survey 2022 Iowa Code 309.37 – Details of survey 2020 Iowa Code 309.37 – Details of survey 2018 Iowa Code 309.37 – Details of survey 2016 Iowa Code 309.37 – Details of survey 2014 Iowa Code 309.37 – Details of survey. 2009 Iowa Code 309.37 – Details of survey