Versions of Iowa Code 557A.8 - Developer control period on LawServer 2023 Iowa Code 557A.8 – Developer control period 2022 Iowa Code 557A.8 – Developer control period 2020 Iowa Code 557A.8 – Developer control period 2018 Iowa Code 557A.8 – Developer control period 2016 Iowa Code 557A.8 – Developer control period 2014 Iowa Code 557A.8 – Developer control period. 2009 Iowa Code 557A.8 – Developer control period