2023 Iowa Code 321.462 – Drawbars and safety chains

2022 Iowa Code 321.462 – Drawbars and safety chains

2020 Iowa Code 321.462 – Drawbars and safety chains

2018 Iowa Code 321.462 – Drawbars and safety chains

2016 Iowa Code 321.462 – Drawbars and safety chains

2014 Iowa Code 321.462 – Drawbars and safety chains.

2009 Iowa Code 321.462 – Drawbars and safety chains