2024 Iowa Code 136C.14 – Qualified operators — credentials available upon request

2023 Iowa Code 136C.14 – Qualified operators — credentials available upon request

2022 Iowa Code 136C.14 – Qualified operators — credentials available upon request.

2020 Iowa Code 136C.14 – Qualified operators — credentials available upon request.

2018 Iowa Code 136C.14 – Qualified operators — credentials available upon request.

2016 Iowa Code 136C.14 – Qualified operators

2014 Iowa Code 136C.14 – Qualified operators – credentials available upon request.

2009 Iowa Code 136C.14 – Qualified operators — display of credentials