Versions of Iowa Code 273.23 - Initial board on LawServer 2024 Iowa Code 273.23 – Initial board 2023 Iowa Code 273.23 – Initial board 2022 Iowa Code 273.23 – Initial board 2020 Iowa Code 273.23 – Initial board 2018 Iowa Code 273.23 – Initial board 2016 Iowa Code 273.23 – Initial board 2014 Iowa Code 273.23 – Initial board. 2009 Iowa Code 273.23 – Initial board