Versions of Iowa Code 136D.6 - Permits on LawServer 2024 Iowa Code 136D.6 – Permits 2023 Iowa Code 136D.6 – Permits 2022 Iowa Code 136D.6 – Permits 2020 Iowa Code 136D.6 – Permits 2018 Iowa Code 136D.6 – Permits 2016 Iowa Code 136D.6 – Permits 2014 Iowa Code 136D.6 – Permits. 2009 Iowa Code 136D.6 – Permits