2023 Iowa Code 321.409 – Mandatory lighting equipment

2022 Iowa Code 321.409 – Mandatory lighting equipment

2020 Iowa Code 321.409 – Mandatory lighting equipment

2018 Iowa Code 321.409 – Mandatory lighting equipment

2016 Iowa Code 321.409 – Mandatory lighting equipment

2014 Iowa Code 321.409 – Mandatory lighting equipment.

2009 Iowa Code 321.409 – Mandatory lighting equipment