Versions of Iowa Code 207.12 - Revision of permits on LawServer 2023 Iowa Code 207.12 – Revision of permits 2022 Iowa Code 207.12 – Revision of permits 2020 Iowa Code 207.12 – Revision of permits 2018 Iowa Code 207.12 – Revision of permits 2016 Iowa Code 207.12 – Revision of permits 2014 Iowa Code 207.12 – Revision of permits. 2009 Iowa Code 207.12 – Revision of permits