Versions of Iowa Code 423.47 - Refunds and credits on LawServer 2023 Iowa Code 423.47 – Refunds and credits 2022 Iowa Code 423.47 – Refunds and credits 2020 Iowa Code 423.47 – Refunds and credits 2018 Iowa Code 423.47 – Refunds and credits 2016 Iowa Code 423.47 – Refunds and credits 2014 Iowa Code 423.47 – Refunds and credits. 2009 Iowa Code 423.47 – Refunds and credits