2024 Iowa Code 724.28 – Prohibition of regulation by political subdivisions — exception

2023 Iowa Code 724.28 – Prohibition of regulation by political subdivisions — exception

2022 Iowa Code 724.28 – Prohibition of regulation by political subdivisions — exception.

2020 Iowa Code 724.28 – Prohibition of regulation by political subdivisions

2018 Iowa Code 724.28 – Prohibition of regulation by political subdivisions

2016 Iowa Code 724.28 – Prohibition of regulation by political subdivisions

2014 Iowa Code 724.28 – Prohibition of regulation by political subdivisions.

2009 Iowa Code 724.28 – Prohibition of regulation by political subdivisions