Versions of Iowa Code 488.504 - Interim distributions on LawServer 2023 Iowa Code 488.504 – Interim distributions 2022 Iowa Code 488.504 – Interim distributions 2020 Iowa Code 488.504 – Interim distributions 2018 Iowa Code 488.504 – Interim distributions 2016 Iowa Code 488.504 – Interim distributions 2014 Iowa Code 488.504 – Interim distributions. 2009 Iowa Code 488.504 – Interim distributions