Versions of See prior versions of a law on LawServer 2024 Louisiana Revised Statutes 40:1730.28.1 – Mandatory adoption of plumbing provisions of certain nationally recognized codes and standards; amendments; effective date 2023 Louisiana Revised Statutes 40:1730.28.1 – Mandatory adoption of plumbing provisions of certain nationally recognized codes and standards; amendments; effective date 2022 Louisiana Revised Statutes 40:1730.28.1 – Mandatory adoption of plumbing provisions of certain nationally recognized codes and standards; amendments; effective date 2021 Louisiana Revised Statutes 40:1730.28.1 – Mandatory adoption of plumbing provisions of certain nationally recognized codes and standards; amendments; effective date 2020 Louisiana Revised Statutes 40:1730.28.1 – Mandatory adoption of plumbing provisions of certain nationally recognized codes and standards; amendments; effective date 2019 Louisiana Revised Statutes 40:1730.28.1 – Mandatory adoption of plumbing provisions of certain nationally recognized codes and standards; amendments; effective date 2017 Louisiana Revised Statutes 40:1730.28.1 – Mandatory adoption of plumbing provisions of certain nationally recognized codes and standards; amendments; effective date 2016 Louisiana Revised Statutes 40:1730.28.1 – Mandatory adoption of plumbing provisions of certain nationally recognized codes and standards; amendments; effective date 2015 Louisiana Revised Statutes 40:1730.28.1 – Mandatory adoption of plumbing provisions of certain nationally recognized codes and standards; amendments; effective date 2014 Louisiana Revised Statutes 40:1730.28.1 – Mandatory adoption of plumbing provisions of certain nationally recognized codes and standards; amendments; effective date