Versions of Iowa Code 438.8 - Gross earnings on LawServer 2024 Iowa Code 438.8 – Gross earnings 2023 Iowa Code 438.8 – Gross earnings 2022 Iowa Code 438.8 – Gross earnings 2020 Iowa Code 438.8 – Gross earnings 2018 Iowa Code 438.8 – Gross earnings 2016 Iowa Code 438.8 – Gross earnings 2009 Iowa Code 438.8 – Gross earnings