2023 Iowa Code 321.174 – Operators licensed — operation of commercial motor vehicles

2022 Iowa Code 321.174 – Operators licensed — operation of commercial motor vehicles.

2020 Iowa Code 321.174 – Operators licensed — operation of commercial motor vehicles.

2018 Iowa Code 321.174 – Operators licensed — operation of commercial motor vehicles.

2016 Iowa Code 321.174 – Operators licensed

2014 Iowa Code 321.174 – Operators licensed – operation of commercial motor vehicles.

2009 Iowa Code 321.174 – Operators licensed — operation of commercial motor vehicles