Versions of Iowa Code 535.5 - Penalty for usury on LawServer 2023 Iowa Code 535.5 – Penalty for usury 2022 Iowa Code 535.5 – Penalty for usury 2020 Iowa Code 535.5 – Penalty for usury 2018 Iowa Code 535.5 – Penalty for usury 2016 Iowa Code 535.5 – Penalty for usury 2014 Iowa Code 535.5 – Penalty for usury. 2009 Iowa Code 535.5 – Penalty for usury