Versions of Iowa Code 72.5 - Life cycle cost on LawServer 2024 Iowa Code 72.5 – Life cycle cost 2023 Iowa Code 72.5 – Life cycle cost 2022 Iowa Code 72.5 – Life cycle cost 2020 Iowa Code 72.5 – Life cycle cost 2018 Iowa Code 72.5 – Life cycle cost 2016 Iowa Code 72.5 – Life cycle cost 2014 Iowa Code 72.5 – Life cycle cost. 2009 Iowa Code 72.5 – Life cycle cost