Versions of Iowa Code 166.14 - Revocation by department on LawServer 2023 Iowa Code 166.14 – Revocation by department 2022 Iowa Code 166.14 – Revocation by department 2020 Iowa Code 166.14 – Revocation by department 2018 Iowa Code 166.14 – Revocation by department 2016 Iowa Code 166.14 – Revocation by department 2014 Iowa Code 166.14 – Revocation by department. 2009 Iowa Code 166.14 – Revocation by department