Versions of Iowa Code 137C.16 - Plumbing on LawServer 2024 Iowa Code 137C.16 – Plumbing 2023 Iowa Code 137C.16 – Plumbing 2022 Iowa Code 137C.16 – Plumbing 2020 Iowa Code 137C.16 – Plumbing 2018 Iowa Code 137C.16 – Plumbing 2016 Iowa Code 137C.16 – Plumbing 2014 Iowa Code 137C.16 – Plumbing. 2009 Iowa Code 137C.16 – Plumbing
