Versions of Iowa Code 358C.18 - Additional territory on LawServer 2023 Iowa Code 358C.18 – Additional territory 2022 Iowa Code 358C.18 – Additional territory 2020 Iowa Code 358C.18 – Additional territory 2018 Iowa Code 358C.18 – Additional territory 2016 Iowa Code 358C.18 – Additional territory 2014 Iowa Code 358C.18 – Additional territory. 2009 Iowa Code 358C.18 – Additional territory