Versions of Iowa Code 502.506 - Misrepresentations concerning registration or exemption -- official endorsements prohibited on LawServer 2023 Iowa Code 502.506 – Misrepresentations concerning registration or exemption — official endorsements prohibited 2022 Iowa Code 502.506 – Misrepresentations concerning registration or exemption — official endorsements prohibited. 2020 Iowa Code 502.506 – Misrepresentations concerning registration or exemption — official endorsements prohibited. 2018 Iowa Code 502.506 – Misrepresentations concerning registration or exemption — official endorsements prohibited. 2016 Iowa Code 502.506 – Misrepresentations concerning registration or exemption 2014 Iowa Code 502.506 – Misrepresentations concerning registration or exemption – official endorsements prohibited. 2009 Iowa Code 502.506 – Misrepresentations concerning registration or exemption — official endorsements prohibited