Versions of Iowa Code 628.20 - Excess payment -- credit on LawServer 2023 Iowa Code 628.20 – Excess payment — credit 2022 Iowa Code 628.20 – Excess payment — credit. 2020 Iowa Code 628.20 – Excess payment — credit. 2018 Iowa Code 628.20 – Excess payment — credit. 2016 Iowa Code 628.20 – Excess payment 2014 Iowa Code 628.20 – Excess payment – credit. 2009 Iowa Code 628.20 – Excess payment — credit