Versions of Iowa Code 97B.50 - Early retirement on LawServer 2024 Iowa Code 97B.50 – Early retirement 2023 Iowa Code 97B.50 – Early retirement 2022 Iowa Code 97B.50 – Early retirement 2020 Iowa Code 97B.50 – Early retirement 2018 Iowa Code 97B.50 – Early retirement 2016 Iowa Code 97B.50 – Early retirement 2014 Iowa Code 97B.50 – Early retirement. 2009 Iowa Code 97B.50 – Early retirement