Versions of Iowa Code 321J.4 - Revocation of license -- ignition interlock devices -- temporary restricted license on LawServer 2023 Iowa Code 321J.4 – Revocation of license — ignition interlock devices — temporary restricted license 2022 Iowa Code 321J.4 – Revocation of license — ignition interlock devices — temporary restricted license. 2020 Iowa Code 321J.4 – Revocation of license — ignition interlock devices — temporary restricted license. 2018 Iowa Code 321J.4 – Revocation of license — ignition interlock devices — conditional temporary restricted license. 2016 Iowa Code 321J.4 – Revocation of license 2014 Iowa Code 321J.4 – Revocation of license – ignition interlock devices – conditional temporary restricted license. 2009 Iowa Code 321J.4 – Revocation of license — ignition interlock devices — conditional temporary restricted license