Versions of Iowa Code 321.204 - Certification of conviction -- notification of commercial driver\'s disqualification on LawServer 2023 Iowa Code 321.204 – Certification of conviction — notification of commercial driver’s disqualification 2022 Iowa Code 321.204 – Certification of conviction — notification of commercial driver’s disqualification. 2020 Iowa Code 321.204 – Certification of conviction — notification of commercial driver’s disqualification. 2018 Iowa Code 321.204 – Certification of conviction — notification of commercial driver’s disqualification. 2016 Iowa Code 321.204 – Certification of conviction 2014 Iowa Code 321.204 – Certification of conviction – notification of commercial driver’s license disqualification. 2009 Iowa Code 321.204 – Certification of conviction — notification of commercial driver’s license disqualification