Versions of Iowa Code 551A.6 - Cancellation of contract on LawServer 2023 Iowa Code 551A.6 – Cancellation of contract 2022 Iowa Code 551A.6 – Cancellation of contract 2020 Iowa Code 551A.6 – Cancellation of contract 2018 Iowa Code 551A.6 – Cancellation of contract 2016 Iowa Code 551A.6 – Cancellation of contract 2014 Iowa Code 551A.6 – Cancellation of contract. 2009 Iowa Code 551A.6 – Cancellation of contract