Versions of Iowa Code 249.12 - Cost-related system on LawServer 2023 Iowa Code 249.12 – Cost-related system 2022 Iowa Code 249.12 – Cost-related system 2020 Iowa Code 249.12 – Cost-related system 2018 Iowa Code 249.12 – Cost-related system 2016 Iowa Code 249.12 – Cost-related system 2014 Iowa Code 249.12 – Cost-related system. 2009 Iowa Code 249.12 – Cost-related system