Versions of Iowa Code 321J.22 - Drinking drivers course on LawServer 2023 Iowa Code 321J.22 – Drinking drivers course 2022 Iowa Code 321J.22 – Drinking drivers course 2020 Iowa Code 321J.22 – Drinking drivers course 2018 Iowa Code 321J.22 – Drinking drivers course 2016 Iowa Code 321J.22 – Drinking drivers course 2014 Iowa Code 321J.22 – Drinking drivers course. 2009 Iowa Code 321J.22 – Drinking drivers course