Versions of Iowa Code 523H.4 - Waivers void on LawServer 2023 Iowa Code 523H.4 – Waivers void 2022 Iowa Code 523H.4 – Waivers void 2020 Iowa Code 523H.4 – Waivers void 2018 Iowa Code 523H.4 – Waivers void 2016 Iowa Code 523H.4 – Waivers void 2014 Iowa Code 523H.4 – Waivers void. 2009 Iowa Code 523H.4 – Waivers void